Question

Which of the following statements is true?

OA. Chemical reactions can either absorb thermal energy or release thermal energy
ОВ.
Chemical reactions can only absorb thermal energy.
OC.
Chemical reactions can neither absorb thermal energy nor release thermal energy.
OD.
Chemical reactions can only release thermal energy.

Answer 1

Answer: Chemical reactions can either absorb thermal energy or release thermal energy.

Answer 2

I think the answer is A! i might be wrong