Answers

2016-01-12T16:15:45+05:30
When any substance change directly from solid to vapor state, that process is called sublimation but water doesn't change directly from ice to water vapor.
example- napthalene balls and camphors change directly into vapor on heating.
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2016-01-12T16:16:55+05:30
Its called sublimation. In this process substances from solid state is directly converted to gaseous state without turning to liquid and visa versa.

e.g. camphor
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