Define the term specific latent heat of fusion of ice. State it's S.I. unit.

'The specific latent heat of fusion of ice is 336 J g^-1'. Explain the meaning of this statement.

(a) Which requires more heat: 1 g ice at 0° C or 1 g water at 0° C to raise it's temperature to 10° C ?

(b) Explain your answer in part (a).

Ice cream appears colder to the mouth than water at 0° C. Give reasons.