Question

in an experiment to determine the boiling point of water, mention two important precautions to be taken.

Answer 1

HEYA...
Answr...

1. The thermometer used must be of certified company that gives correct reading .
2. the Watch should have zero error ....
3. the heat must be given slowly to the water to rise it's temperature.

hope its helpful...

Answer 2

1.the bulb of thermometer should not touch the sides be beaker

2.while boiling water pumice stones should be apadded