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Chemistry CBSE Live product
Class 10 (2026-27)
Chemical reactions and equations
Revision III - Chemical reactions and equations
3.
Combination reaction - I
Question:
1
m.
Give the best answer for the given question from the options:
Assertion (A):
All combination reactions are endothermic.
Reason (R):
Many combination reactions release heat energy
A is false but R is true
A is true but R is false
Both A and R are true, and R is the correct explanation of A
Both A and R are true, and R is not the correct explanation of A
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