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Science · 2023 · 1 mark
CBSE 2023 · Region 4 · Set 1 · Q17
Assertion (A): Reaction of Quicklime with water is an exothermic reaction. Reason (R): Quicklime reacts vigorously with water releasing a large…
Assertion (A) : Reaction of Quicklime with water is an exothermic reaction.
Reason (R) : Quicklime reacts vigorously with water releasing a large amount of heat.
Official answer
(A)
Both (A) and (R) are true and (R) is the correct explanation of (A) .
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CBSE Class 10 Science past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.