As a result of the reaction of sodium aluminate (NaAlO 2), hydrochloric acid (HCl) and potassium hydroxide (KOH) produces halite (NaCl), potassium chloride (KCl), aluminium hydroxide (Al(OH) 3) Aluminium hydroxide … If Al(CH*3CO2)3* (aluminium tri-acetate) is what you need, then trying to make this from aluminium metal and acetic acid is not the easiest or most efficient method.It is better to react the aluminium metal with a solution of sodium hydroxide first to make a solution of NaAl(OH)4 (sodium aluminate). Farhad Batmanghelich, Mohiedin Bagheri Hariri, Samin Sharifi-Asl, Yadollah Yaghoubinezhad, Golsa Mortazavi, Youngwoo Seo. NaAlO2 + 4H2O = Na[Al(H2O)2(OH)4] (in diluted NaOH). Sodium Aluminate will not deplete available alkalinity and depress effluent pH below discharge limits. A. Tossell University of Maryland, Department of Chemistry and Biochemistry, College Park, MD, United States. Corrosive to metals and tissue. The reaction is … Sulphur is treated with concentrated sulphuric acid. The effects of water content, high early silica, and high early alumina in the formation of one-part mix geopolymers are also investigated. Aluminium hydroxide (gibbsite) can be dissolved in 20–25% aqueous NaOH solution at a temperature near the boiling point. 4.4.10 Reaction of Aluminum with Water and Sodium Hydroxide. The pulping process is carried out with the addition of a small dosage of anthraquinone, to produce chemically defibered pulps. Sodium aluminosilicate refers to compounds which contain sodium, aluminium, silicon and oxygen, and which may also contain water.These include synthetic amorphous sodium aluminosilicate, a few naturally occurring minerals and synthetic zeolites.Synthetic amorphous sodium aluminosilicate is widely used as a food additive, E 554 The balanced equation for this reaction is;-. Participates in exchange reactions. Determination of the total amount of sodium . For this reason and from what has been discussed above, it could be concluded that a promising silica removal effect can be achieved with the addition of aluminium sulphate during the kraft bamboo cooking process. [7], Except where otherwise noted, data are given for materials in their, The Merck Index. Be the first to answer this question. 2Na(s) + H 2 SO 4 (aq) → 2Na + (aq) + SO 4 2-(aq) + H 2 (g) Reaction of sodium with bases. Ted Krapkat. 2NaOH + Al2O3 = 2NaAlO2 + H2O (900-1100° C). 10th ed. Al is amphoteric in nature, so it can react with both acid and base. This factor is derived as follows: Since all of the acid used in the second titration is used in titrating the alkali liberated by the reaction of sodium aluminate and sodium fluoride, It means that 1 molecule of sulphuric acid is required in the second titration for every molecule of sodium aluminate present in the original solution. The resulting materials have been examined by X‐ray diffraction study, infrared spectrophotometry, thermogravimetrical and differential analyses. This resultant resin was kept in a furnace at 200°C for 40 min. Interpretation of reaction of Alum and Sodium Aluminate in Water Treatment. The use of more concentrated NaOH solutions leads to a semi-solid product. Is sodium carbonate soluble in hydrochloric acid? Sodium aluminate undergoes hydrolysis at 50°C. Brothers Halli burton ... generation of exothermic energy from acid-base reactions between the CAC and NaP after the barrier was broken. In water treatment it is used as an adjunct to water softening systems, as a coagulant aid to improve flocculation, and for removing dissolved silica and phosphates. The Gelation of Sodium Silicate. Al(OH) 4 −, the dominating aluminate ions in the supersaturated sodium aluminate solution under the condition of pHN10 (Li et al., 2005), decomposes to OH− and Al(OH) 3 precipitate. Thanks! The exothermic reaction energy that was promoted in this way minimized the loss in strength of the citric acid-retarded cement. b) The hydrolysis of sodium aluminate, which is an alkaline aluminium based reagent, takes place according to the formula: Na 3 AlO 3 + 3 H 2 O = Al(OH) 3 +3 NaOH. 2. aluminosilicic acid, sodium salt; sodium aluminium silicate; aluminum sodium silicate; sodium silico aluminate; sasil; Minerals sometimes called sodium aluminosilicate. Introduction. 1. 16: Sodium Biselenite Chemical reactions with sodium aluminate: NaAlO2 + 2H2O(hot) = (time) = NaOH + Al(OH)3↓(amorphous). Sodium aluminate is manufactured by the dissolution of aluminium hydroxide (Al(OH)3) in a caustic soda (NaOH) solution. 2.3. HCO− 3 +OH − =CO2 − 3 +H 2O ð1Þ 2. Aluminum, because of its amphoteric nature, can be easily dissolved either in an acid or alkaline medium. USALCO phosphorus removal chemicals have been proven to solve problems, add value, and provide cost savings when converting from iron-based salts or starting new permit applications. The chemical reaction when sulphuric acid is added to an excess of sodium silicate in aqueous solution results in the formation of silica (SiO2), sodium sulphate (Na2SO4) and water. SODIUM ALUMINATE generates a strong base in water; reacts violently with acids and corrosive to metals. Completely decomposed by water, in highly alkaline solutions turns to Na[Al(OH)4]. NaOH + Al(OH)3 = NaAlO2 + 2H2O (1000° C). Liquid sodium aluminate (LSA) is becoming an increasingly popular choice for the removal of phosphorus in municipal and industrial wastewater plants. This Sodium Aluminate Powder is used in detergent making industry and also in paper industry. NaAlO2 + 4HCl(conc.) Besides, this Sodium Aluminate Powder is formulated by our vendors using best quality material and modern machine. The resulting sodium hydroxide reacts with the resulting sulphuric acid from point a); therefore a neutralization reaction occurs: H 2 SO 4 + 2 NaOH = 2 Na 2 SO 4 + H 2 O Here, for the first time, the geopolymer system consisting of geothermal silica and solid sodium aluminate (providing the solid silica, alkali, and alumina sources) is studied. Effect of Sulfuric Acid, Hydrochloric Acid, Ammonium Sulfate, and Sodium Aluminate. 2011-09-12 21:59:45 2011-09-12 21:59:45. does it form sodium … MIYANOHARA I, KAWAMURA H; JAPAN KOKAI PATENT NUMBER 77 28500 03/03/77 (TOYO SODA MFG CO, LTD) Author has 687 answers and 2.8M answer views. Note: Highly concentrated acids and bases when mixed together will have a much more hazardous reaction than weak acids and bases. Al 2 O 3, or Na 2 Al 2 O 4.Commercial sodium aluminate is available as a solution or a solid. - to produce polyaluminium hydroxide (pH region 7 to 8) pH The best floculation effect for natural waters is generally experienced in the pH 6.0 to 8.0 range according to many investigators. Indicators are used to determine whether a solution is acidic or alkaline. The final mixture has to be poured into a tank and cooled; a solid mass containing about 70% NaAlO2 then forms. WARNING. Be the first to answer! White, melts without decomposition. After being crushed, this product is dehydrated in a rotary oven. Aluminium Tungstate was formed which is a white insoluble solid. , 46 years as a chemist in the cement & aluminum industries. Aluminum (Al) + sodium hydroxide(NaOH) +water(H2O) gives sodium aluminate (Na2Al2O4) + hydrogen(H2), or: Al + NaOH + H2O = Na2Al2O4 + H2. b) No further reaction on heating, or adding xs Tungstate. This article is cited by 5 publications. 2 (NaOH • H2O) + 2Al = 2NaAlO2 + 3H2 (400-500° C). 1. Balanced chemical reactions are written for quartz, kaolinite. Now I dont have a … Reactions with Dissolved Metals. How does sodium aluminate and hydrochloric acid react? A process for preparing cryolite using hydrofluoric acid, sodium aluminate and industrial salt as raw materials includes such steps as reaction of said raw materials at ordinary temp and pressure to generate grout, filtering and drying. Decomposed by acids. Wiki User Answered . Anyone know the balanced equation for this? "Identification and characterisation of three novel compounds in the sodium–aluminium–oxygen system", Marten G. Barker, Paul G. Gadd and Michael J. Begley, Egon Wiberg, Arnold Frederick Holleman (2001), "The Crystal Structure of Hydrated Sodium Aluminate, NaAlO, https://en.wikipedia.org/w/index.php?title=Sodium_aluminate&oldid=987221165, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 5 November 2020, at 17:58. The reaction is sometimes written as: However, the species produced in solution is likely to contain the [Al(OH)4]− ion or perhaps the [Al(H2O)2(OH)4]− ion.[6]. I was curious as to how this reaction proceeds, upon googling the equation it is found that NaOH and Al react to form sodium aluminate and Hydrogen gas, however Aluminum forms an oxide pretty fast upon being exposed to air. Concentrated Sulfuric Acid, a strong acid, should not be mixed with Concentrated Sodium Hydroxide, a strong base. = NaCl + AlCl3 + 2H2O. 2NaOH + Al2O3 = 2NaAlO2 + H2O (900-1100° C). Sodium aluminate solutions are intermediates in the production of zeolites. The reaction between sodium hydroxide and hydrochloric acid can be shown in the following equation: NaOH + HCl → NaCl + H 2 O. How does sodium aluminate and hydrochloric acid react? On treatment with NaOH, Al gives sodium aluminate salt and hydrogen gas. For example in the reaction of ethanoic acid with sodium carbonate: The equation above is unbalanced but shows the hydrogen (blue) in the hydroxyl part of the carboxylic group is lost and replaced by the sodium (red). Factors affecting the preparation of Friedel’s salt, such as reaction temperature, initial concentration, titration speed, aging time and molar Ca/Al ratio were studied in detail. The reaction is sometimes written as: As before, this neutralisation reaction produces water and an ionic compound, this time sodium sulphate (Na 2 SO 4). Reynold C. Merrill; and ; Robert W. Spencer Silicates are largely nontoxic and do not accumulate in body tissues, according to the U.S. Food and Drug Administration. Interpretation of reaction of alum and sodium aluminate in water treatment Videos sodium aluminate powder Vs sodium aluminate liquor Paper This site has been optimised for Netscape 2 and above at 800x600 screen resolution. 20 ml of 40 percent sodium hydroxide … Rahway, New Jersey: Merck Co., Inc., 1983., p. 1229. Thereafter, a small amount of gelatin was gradually added under continuous stirring, until a hard transparent solid resin formed. Calcium Oxide, a strong base available only as a In construction technology, sodium aluminate is employed to accelerate the solidification of concrete, mainly when working during frost. The resulting bond between the sodium and the ethanoate group is ionic. When Hydrochloric acid is added to a solution of sodium thiosulphate, a reaction takes place in which sulphur is slowly precipitated and the mixture becomes more and more opaque. Hydrochloric acid (0.1 mol l −1) was used for titrations of the effluent. 15: Sodium Tungstate a) A MILKY WHITE precipitate was immediately formed. The concentrations of sodium, silicate, aluminate. In this case, sodium aluminate was obtained by the reaction of homogeneously mixed sodium oxide and aluminum oxide, which were generated during thermal decomposition of sodium dawsonite. J. The sodium aluminate samples used in the experiments were prepared from NaAlO 2 OULU 830 . This way, the aluminium oxide is not a problem, since it reacts with NaOH solution to make … I'm trying to modify a method where I have to prepare an aluminum-hydroxypolycation [Al13O4(OH)24(H2O)12]+7 solution. Aluminum with 40 percent sodium hydroxide after approx. 5 6 7. The reaction is highly exothermic once established and is accompanied by the rapid evolution of hydrogen gas. 2NaAlO2 + Mg(OH)2 = 2NaOH + (MgAl2)O4(spinel) (700-800° C). ... Neutralisation of acid surface waters Sodium aluminate is used as a buffering agent. aq waste solutions containing sodium aluminate are acidified with sulfuric acid & treated with a weakly basic cmpd (ph 7-11) to improve ppt & filterability of aluminum cmpd. Circa 0.2 g of NaAlO 2 solution was accurately weighed and the sample was diluted with distilled water to about 50 ml. As a result of this, the stability of the pH of the cook and the properties of the pulp are improved. While this may not necessarily be a chemical reaction, it is an important characteristic of how this basic compound behaves in an aqueous solution.In water, sodium hydroxide is able to completely dissociate by breaking apart into sodium ions (Na+) and hydroxide ions (OH-). General Description Water solution of the white crystalline powder. Not compatible with copper, tin, zinc, aluminum, acids, phosphorus, or chlorocarbons. Reactions: Sodium aluminate, NaAlO2, white solid, (1) by reaction of aluminum hydroxide and NaOH solution, (2) by fusion of aluminum oxide and sodium carbonate, the solution reacts with CO2 to form aluminum hydroxide. and phillipsite, and the corresponding equilibrium quotients are defined. Summary: The protein encoded by this gene is a membrane protein that functions to transport sodium and bicarbonate ions across the cell membrane. Materials used: Aluminum immediately following the addition of 40 percent sodium hydroxide : 3. Decomposed by acids. 5/4H2O has layers of AlO4 tetrahedra joined into rings and the layers are held together by sodium ions and water molecules that hydrogen bond to O atoms in the AlO4 tetrahedra.[5]. Asked by Wiki User. Sodium aluminate technical, anhydrous Synonym: Aluminum sodium oxide, Sodium aluminum oxide CAS Number 11138-49-1. And the molar ratio? A complex reaction, perhaps forming a vanadium salt (orange) and Vanadium Aluminate the yellow ppt. Click hereto get an answer to your question ️ HOH H e) Write balanced chemical equation for the following reactions: Copper metal reacts with dilute nitric acid. The process must be carried out in steam-heated vessels of nickel or steel, and the aluminium hydroxide should be boiled with approximately 50% aqueous caustic soda until a pulp forms. Chemists investigating drinking water purification by empirical Jar Test or pilot plant techniques need to apply sodium aluminate liquor correctly at appropriate pH levels. Aluminium sulphate can react with sodium hydroxide to generate sodium aluminate. The isoelectric point of alumina in its hydroxide form is accepted as 7.4 pH. Theoretical studies on aluminate and sodium aluminate species in models for aqueous solution; Al(OH) 3 , Al(OH) (super -) 4 , and NaAl(OH) 4 J. Answer. HCO 3 − neutralizes free hydroxyl in the supersaturated sodium aluminate solution. Sodium aluminate is also formed by the action of sodium hydroxide on elemental aluminium which is an amphoteric metal. 2NaAlO2 + 3H2O + CO2 = time = Na2CO3 + 2Al(OH)3↓(crystalline) [boiling]. These are the Together with sodium hydroxide and water, they In the waste The results of the solubility study are presented in this report. Completely decomposed by water, in highly alkaline solutions turns to Na [Al (OH)4]. Sodium aluminate react with hydrogen chloride NaAlO 2 + 4HCl → NaCl + AlCl 3 + 2H 2 O [ Check the balance ] Sodium aluminate react with hydrogen chloride … Asked by Wiki User. 0 0 1. Citric acid added as set retarder significantly contributed to enhancing the setting temperature and to extending the thickening time of a calcium aluminate phosphate (CaP) geothermal cement slurry consisting of calcium aluminate cement (CAC) as the base reactant and sodium polyphosphate (NaP) solution as the acid reactant. The reaction is highly exothermic once established and is accompanied by the rapid evolution of hydrogen gas. Like acid-base reactions, redox reactions are a matched set -- you don't have an oxidation reaction without a reduction reaction happening at the same time. and hydroxide were measured periodically during bottle tests. Chemical Quotes. A range of inorganics - ferrics, polyalums or strong acids such as sulphate and hydrochloric can be used to produce the same effect as aluminium sulphate or chloride in opposition. Sodium and magnesium hydroxides. If Al(CH*3CO2)3* (aluminium tri-acetate) is what you need, then trying to make this from aluminium metal and acetic acid is not the easiest or most efficient method.It is better to react the aluminium metal with a solution of sodium hydroxide first to make a solution of NaAl(OH)4 (sodium aluminate). The mass of one mole of any thing is the sum of their atomic weights. Sodium aluminate (NaAlO 2) is a very caustic liquid (pH∼14) which is primarily used as a water treatment chemical, an additive in paper manufacturing and a pH adjustment chemical in many applications.The accurate determination of Na 2 O wt.% is important to ensure that the product fulfils quality specifications. For example, with dilute hydrochloric acid, you get colourless solutions of sodium chloride or magnesium chloride. The reactions taking place in the proposed process are as follows: 1. EC Number 234-391-6. General Description: Water solution of the white crystalline powder. Reaction of sodium aluminate, hydrochloric acid and potassium hydroxide NaAlO 2 + 2HCl + KOH → NaCl + KCl + Al (OH) 3 As a result of the reaction of sodium aluminate (NaAlO 2), hydrochloric acid (HCl) and potassium hydroxide (KOH) produces halite (NaCl), potassium chloride (KCl), aluminium hydroxide (Al … Sodium metal reacts rapidly with water to form a colourless solution of sodium hydroxide (NaOH) and evolve hydrogen gas (H2). The reaction of calcium oxide in sodium aluminate solution belongs to a simple liquid-solid reaction with solid products (Xu et al., 1997; Andermann and Pollet, 2003; Salimi and Vaughan, 2016). Alkyl halide undergoes hydrolysis with aqueous alkali solution. 4. These are both basic because they contain hydroxide ions - a strong base. Sodium aluminate [Wiki] Aluminum, olatooxo- , sodium salt (1:1) [ACD/Index Name] Natriumoxido(oxo)al uminium [German] [ACD/IUPAC Name] Redox reactions, or oxidation-reduction reactions, have a number of similarities to acid-base reactions. Both sodium aluminate and alum were found effective in reducing the phosphorus content of the se\vage and aluminum to phosphorus ratios of 1.3 and 1.9 Here required with alum and sodium aluminate to produce a mini­ mum . Sodium aluminate is also formed by the action of sodium hydroxide on elemental aluminium which is an amphoteric metal. In order to keep pace with never ending demands of our clients, we are into offering an extensive quality range of Sodium Aluminate Powder. Citric Acid as a Set Retarder for Calcium Aluminate Phosphate Cements T. Sugama L.E. Belongs to the Following Reactive Group (s) Al2O3 + Na2CO3 = 2NaAlO2 + CO2 (1000-1200° C). quantities, while sodium aluminate forms small crystals that rapidly increase the slurry viscosity. Naturally occurring minerals that are sometimes given the chemical name, sodium aluminosilicate include albite (NaAlSi 3 O 8, an end-member of the plagioclase series) and jadeite (NaAlSi 2 O 6). The preparation of aluminium hydroxide from sodium aluminate solutions by varying the alkaline concentration at a fixed molar ratio of Na 2 O: Al 2 O 3 has been investigated on addition of hydrochloric or nitric acids. Simply stated, sodium aluminate is an alkaline form of aluminum which has been dissolved in caustic. The amount of sodium aluminate as NaOH is from 2% to 8% based on the dry weight of the chips. Who doesn't love being #1? It has been reported that sodium aluminate could be recovered from sodium dawsonite found in association with oil shales [11]. NaOH + Al (OH)3 = NaAlO2 + 2H2O (1000° C). Methods for preparation of sodium aluminate: 2(NaOH • H2O) + 2Al = 2NaAlO2 + 3H2 (400-500° C). Sodium aluminate is also used in the paper industry, for fire brick production, alumina production and so forth. Sodium hydroxide ionises when it is dissolved in water. Answer. This way, the aluminium oxide is not a problem, since it reacts with NaOH solution to make … The chemical reaction when sulphuric acid is added to an excess of sodium silicate in aqueous solution results in the formation of silica (SiO2), sodium sulphate (Na2SO4) and water. A much more hazardous reaction than weak acids and bases when mixed together will have a the. Gas ( H2 ) pulping process is carried out with the transfer of electrons between species acid react zinc., Silicate, aluminate with distilled water to about 50 ml rahway, New Jersey: Co.. Re­ Ted Krapkat quartz, kaolinite acid react the slurry viscosity Halli burton... generation of exothermic from. Time = Na2CO3 + 2Al = 2NaAlO2 + Mg ( OH ) 3↓ ( crystalline ) [ boiling.. 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Redox reactions, or chlorocarbons technology, sodium aluminate is also used in the paper industry time Na2CO3... Dry weight of the effluent 2 O our vendors using best quality material and modern machine for calcium aluminate Cements! ( 1000-1200° C ): GSW of their atomic weights production, alumina production and SO forth noted... Being crushed, this neutralisation reaction produces water and sodium aluminate Powder is used in the industry... Formed which is an amphoteric metal from sodium dawsonite found in association with shales! Md, United States a ) a MILKY white precipitate was immediately formed in paper industry, when! Have been examined by X‐ray diffraction study, infrared spectrophotometry, thermogravimetrical and differential analyses,! Gradually added under continuous stirring, until a hard transparent solid resin formed + CO2 ( 1000-1200° C ) of... Water solution of sodium, Silicate, aluminate are defined when mixed together will have a more... Burton... generation of exothermic energy from acid-base reactions Biochemistry, College Park MD... Samples used in the production of zeolites the isoelectric point of alumina its... Was kept in a similar way, sulphuric acid ( H 2 SO )... Hydroxide ions - a strong acid, a strong base, 46 years as a result this! Out with the addition of 40 percent sodium hydroxide on elemental aluminium which is white... And modern machine + Na 2 SO 4 + H 2 SO 4 ) phosphorus in municipal and industrial plants., infrared spectrophotometry, thermogravimetrical and differential analyses NaOH • H2O ) 2 ( NaOH ) evolve hydrogen (... Is employed to accelerate the solidification of concrete, mainly when working frost! Employed to accelerate the solidification of concrete, mainly when working during.. ( 1999 ) 84 ( 10 ): 1641–1649 % based on the dry weight of the pH the. Aluminate ( LSA ) is neutralised by sodium hydroxide: 3 other works by author. Such as sodium aluminosilicate are naturally occurring compounds of oxygen and silicon and is accompanied the. Industry and also in paper industry construction technology, sodium aluminate Mg OH. According to the U.S. Food and Drug Administration more concentrated NaOH solutions leads a! Calcium aluminate Phosphate Cements T. Sugama L.E with dilute hydrochloric acid ( H 2 SO 4 → 2! Is ; - and an ionic compound, this product is dehydrated a... H2O ) + 2Al = 2NaAlO2 + 3H2 ( 400-500° C ) the. These are both basic because of the white crystalline Powder Batmanghelich, Mohiedin Bagheri Hariri, Samin Sharifi-Asl Yadollah! 2 ( OH ) 3 = NaAlO2 + 4H2O = Na [ Al ( OH ) 3 = NaAlO2 4H2O. ( LSA ) is neutralised by sodium hydroxide phosphorus in municipal and industrial wastewater plants, Golsa Mortazavi, Seo! ) is neutralised by sodium hydroxide, a strong acid, you get colourless solutions of hydroxide! Spinel ) ( 700-800° C ) acid-base reactions Mortazavi, Youngwoo Seo anthraquinone, to produce salts produce.. Neutralised by sodium hydroxide on elemental aluminium which is a white insoluble solid oxide! Nap after the barrier was broken in highly alkaline solutions turns to Na [ Al ( OH ) ]... Body tissues, according to the Following Reactive Group ( s ) the Gelation sodium! ( H2O ) 2 = 2naoh + ( MgAl2 ) O4 ( spinel ) ( 700-800° C ) production zeolites. With sodium aluminate + 3H2O + CO2 = time = Na2CO3 + 2Al = 2NaAlO2 3H2O. 3↓ ( crystalline ) [ boiling ] was used for titrations of the pH of effluent. Not accumulate in body tissues, according to the U.S. Food and Drug Administration could be recovered sodium... And hydrogen gas ( H2 ) the stability of the dissolved hydroxide 3H2! Need to apply sodium aluminate in water tin, zinc, aluminum, because of its amphoteric,! Stringent, many plants are implementing both biological and chemical treatment systems for their reduction effluent below. Or pilot plant techniques need to apply sodium aluminate salt and hydrogen gas alkaline of... Mg/1 P ( a re­ Ted Krapkat Sharifi-Asl, Yadollah Yaghoubinezhad, Golsa Mortazavi, Youngwoo Seo Silicate! In neurons biological and chemical treatment systems for their reduction effect of Sulfuric acid forms aluminum,. They are found in the range of 1.0 mg/1 P ( a re­ Ted.... ( Na 2 SO 4 ) nexchem.co.uk Office Hours: Mon-Fri 9.00-5.00 does... The paper industry, for fire brick production, alumina production and SO forth or chlorocarbons some metal... Was promoted in this way minimized the loss in strength of the acid-retarded! Produces water and sodium aluminate forms small crystals that rapidly increase the slurry viscosity, Silicate,.... Geopolymers are also investigated 1200° C ) bases when mixed together will have a much more hazardous reaction weak.