Which of the following are also considered to be the states of matter?

(i) Plasma (ii) Platelets

(iii) BFC (iv) BHC

(a) What are the two ways in which the physical states of matter can be changed?

(b) Draw the ‘states of matter triangle’ to show the interconversion of states of matter.

(c) How can the evaporation of a liquid be made faster?

(a) What is evaporation? State the various factors which affect evaporation.

(d) Why does evaporation cool a liquid?

One of the following does not undergo sublimation. This one is:

Which of the following process/processes release heat?

(i) condensation

(ii) vaporization

(iii) freezing

(iv) melting