Question

Do the following experiment and write the materials needed, process and conclusion. 1. Melting of ice to form water. 2. Boiling of water to form steam.

Answer 1

Answer:

last mein one more page hai isme utna le nhi rha hai so written mein Uske baad:

found to be 100°C=373K.Thus water is pure.

•PREACAUTIONS-

• The bulb of the thermometer should not dip in the liquid. It should be about 2-3cm above the liquid surface.

• In case of highly inflammable liquids,the heating should not be done on direct flame.

• The vapour coming through the outlet should neither be directed towards you nor directed towards any other person.

• Few pieces of pumice stone should be added to prevent bumping on boiling.

Here is your answer... may be we are in same class...in class 9.