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At temperature T(1), the particles of su...

At temperature `T_(1)`, the particles of substance X vibrate in fixed positions.
At temperature `T_(2)`, the particles move about freely but are still close to one another.
Which change of state has taken place from `T_(1)` to `T_(2)` ?

A

Boiling

B

Condensation

C

Freezing

D

Melting

Text Solution

Verified by Experts

The correct Answer is:
D
The behaviour of particles shows that substance X is a solid at `T_(1)` and a liquid at `T_(2)`. Hence, melting has taken place form `T_(1)` to `T_(2)`.
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