Question

During the formation of rain, when water vapours change back to liquid in the form of rain drops-
(1) heat is absorbed
(2) heat is released
(3) heat is first absorbed, then released (4) there is no exchange of heat



2

Two blocks of ice when pressed together, join to form one block. This happens because-
(1) melting point rises with pressure (2) melting point falls with pressure
(3) heat is absorbed from outside
(4) heat is rejected to outside​

Answer 1

Answer:

1. (2) heat is absorbed.

2. (1) the melting point rises with pressure.

Answer 2

Answer:

hey mate here is your answer

Explanation:

Answer is

1 .heat is absorbed

2. The melting point rises with pressure

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