Which of the following process / processes release heat ? (i) condensation (ii) vaporisation (iii) freezing (iv) melting
(a) only (i) (b) only (iv) (c) (i) and (iii) (d) (ii) and (iv)
In which of the following processes, change in the state of matter involves absorption of heat?
I) Condensation II) Freezing III) Evaporation IV) Sublimation
In which of the following processes does a change in state involve absorption of heat? A. Freezing B. Sublimation C. Condensation D. Melting