1.

Which of the following factor(s) is (are) responsible for the change of state of solid carbon dioxide into vapours ? (a) Increase in pressure (b) Decrease in pressure (c ) Increase in temperature (d) Decrease in temperature.

Answer»

(i) and (II)
(i) and (III)
(ii) and (iii)
(ii) and (IV)

ANSWER :C


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