Question

write any two precautions to be taken while recording boiling of water ?

Answer 1

1. The thermometer should be properly calibrated and its bulb should be well immersed in or in constant touch with the vapours.
2. Water should be continuously boiling producing good amount of vapours during the recording of the temperature.

Answer 2

1) The bulb of thermometer should touch the utensil

2) The thermometer is taken from Science laboratory because those thermometers are strong enough to afford the high temperature of the utensil.

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