U (d) all of these
(a) heat is absorbed
(c) heat remains unchanged
(b) heat is released
(d) either (b) or (
is
3. When vapours are condensed to form liquid
Answers
Answered by
2
Answer:
Heat is released is the correct answer
Answered by
0
Answer:
a. endothermic reactions
b. addition reactions
c. exothermic reactions
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