Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry

What is an exothermic reaction?

1

Reaction in which heat is released.

2

Reaction in which heat is absorbed.

3

Reaction in which neither heat is released nor absorbed.

4

More than one of the above

5

None of the above

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