![]() 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. A compound ‘A’ is used in the manufacture of cement.What is observed when a pinch of sodium hydrogen carbonate is added to 2 mL of acetic acid taken in a test tube? Write chemical equation for the reaction involved in this case. ![]() In order to obtain a yellow precipitate you should mix with it a solution of:(a) potassium chloride (b) potassium nitride (c) potassium sulphide (d) potassium iodide
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