Q.1 (A)(v) \(\mathrm{CaO + H_2O \rightarrow Ca(OH)_2 + Heat}\) is an example of .................. reaction.

A. Exothermic

B. Electrolysis

C. Decomposition

D. Endothermic

Doubtly Asked 24 Oct 2026 ssc 10th Save WhatsApp Report

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Answer: A. Exothermic

Answer: (A) Exothermic

Heat is given out (it appears on the product side) when quicklime reacts with water, so the reaction is exothermic. It is also a combination reaction, not decomposition.

Doubtly AI · 24 Oct 2026 AI-verified · Oct 2026 Report

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Q.1 (A)(v) \(\mathrm{CaO + H_2O \rightarrow Ca(OH)_2 + Heat}\) is an example of .................. reaction.

1 answer

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