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Single Answer MCQ
Q-00001997

What is an exothermic reaction and provide examples of such reactions.

1

An exothermic reaction absorbs heat from the surroundings.

2

An exothermic reaction releases heat to the surroundings.

3

An exothermic reaction involves a decrease in temperature.

4

An exothermic reaction involves the formation of ice.

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Prof. Rajesh Iyer

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Science educator with 10+ years of experience in CBSE Physics, general Science, and computer science curriculum review.

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Answer and Solution

Answer

B. An exothermic reaction releases heat to the surroundings.

Solution:

An exothermic reaction is a chemical reaction that releases heat energy to the surroundings. Examples of exothermic reactions include combustion reactions like burning wood, respiration, and neutralization reactions.

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