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Question : When quick lime is added to water

Option 1: Heat is liberated

Option 2: Heat is absorbed

Option 3: Temperature decreases

Option 4: No heat change takes place


Team Careers360 21st Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

Correct Answer: Heat is liberated


Solution : The correct answer is Heat is liberated.

Quick lime has a chemical formulae of CaO. It when reacts with water forms calcium hhydroxide, which has a chemical formula of Ca(OH)₂. It is an exothermic reaction i.e. large amount of heat is liberated in this reaction.

Quick lime is used in the manufacturing of steel and iron, bleaching powder, calcium carbide, in making of porcelain and glass etc.

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