When water is heated, it gets converted into steam by a process called A. When steam is cooled, it is again converted into water by a process called B. Identify A and B.

A:- Melting

B:- Condensation

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A:- Vapourisation

B:- Condensation

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A:- Condensation

B:- Vapourisation

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A:- Vapourisation

B:- Solidification

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Solution

The correct option is B
A:- Vapourisation

B:- Condensation

A:- Vapourisation

The phase transition from the liquid to the gaseous state on heating is called vaporisation. Conversion of water (liquid) to vapour (gas) is an example of this.

B:- Condensation

The phase transition from the gaseous to the liquid state on cooling or on removing heat is called condensation. Conversion of vapour (gas) to water (liquid) is an example of this.

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