Physics
Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water

Increases to a great extent
Increases slightly
Decreases rapidly
Decreases slightly

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Physics
In the process of magnetisation of a bar

The entire bulk of the bar gets magnetised
Only the ends of the bar get magnetised
Only some parts of the outer layers of the bar get magnetised
Only the surface of the bar gets magnetised

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