In which case will water absorb more heat in going from a temperature of `25^@C` to `50^@ C`? Will it be the case of one glass of water or twenty glasses of water?

Which one is high in case of water

Water in which container has observed more heat to obtain the temperature stated above?

In which case is the number of molecules of water maximum-

Name the gas which are absorbed by the hydrophytes from water

What is the heat needed (in J) to increase the temperature of 5 g water by 1^@C ?

What is angle of contact? Write its value in case of water and transparent glass.

What is angle of contact? Write its value in case of water and transparent glass.

In which case more heat is required ? (i) Temperature of 1 kg of water is raised from 30^(@)C to 100^(@)C . (ii) Temperature of 3 kg of iorn, is raised from 30^(@)C to 230^(@)C . (specific heat of iron ="0.12 cal.g"^(-1).^(@)C^(-1) .)

To rise temperature of 30 gm water from 20^@C to 50^@C how much heat is required?

How much heat to be supplied to raise the temperature of 100 g water from 20^(@)C to the normal boilling point of water ?