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Get Answers to all your Questions
A compound ‘A’ is used in the manufacture of cement. When dissolved in water, it evolves a large amount of heat and forms compound ‘B’.
(i) Identify A and B.
(ii) Write chemical equation for the reaction of A with water.
(iii) List two types of reaction in which this reaction may be classified.
Answers (1)
(i) A = CaO / Quick lime/ Calcium oxide
B = Ca(OH)2 / Slaked lime / Calcium hydroxide
(ii) chemical equation for the reaction of A with water is
CaO + H2O → Ca(OH)2 + heat or energy
(iii) Combination reaction and Exothermic reaction
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