1.

Name the phenomenon which causes the following changes: (a) Formation of water vapour from water. (b) Disappearance of camphor when exposed to air. (c) Conversion of ice into water. (d) Conversion of water into steam.

Answer»

(a) Formation of water vapour from water is vaporisation. 

(b) Disappearance of camphor is sublimation. 

(c) Conversion of ice into water is melting. 

(d) Conversion of water into steam is boiling.



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