Question

Heat is liberated when.....

a)water converts into vapour
b)ice melts
c)water heats
d)water vapours condenses.

Answer 1

I think the correct answer is d

Answer 2

hey mate! !

your answer is option (d)

when water vapour having high temperature release heat to get condensed.

in option (a) and ) c) water must gain heat ( temperature) to convert in vapour.

in option (b) ice gain heat ( temperature) to melt.

so, correct answer is option (d)