Exothermic and endothermic reaction — task. Science TNSB Mentoring, Class 10 Crash course.

Choose the correct answer:

Assertion (A): Combustion of fuel is an exothermic reaction.

Reason (R): Combustion reactions absorb heat energy from the surroundings.

Assertion is true, but reason is false
Assertion is false, but reason is true
Both assertion and reason are true, and reason is the correct explanation of assertion
Both assertion and reason are true, but reason is not the correct explanation of assertion.

Did you find an error?

3. Exothermic and endothermic reaction