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Answer:
1.The solid carbon dioxide is called dry ice.
2.The phenomena of change of a liquid into vapours at any temperature below it's boiling point is called evaporation.
3.(e) The molecules in the gas are far from each other i.e,the inter molecular space is very high than in solids and liquids. so, gases diffuse faster than solids and liquids.
(g) As more sweat is produced from our body during summer due to excess of external temperate.
*we feel cool when the sweat is evaporated.
*on wearing cotton clothes, the clothes absorb sweat from our body. so, we feel cool.
*other clothes like silk, polyster, etc.. cannot absorb sweat. hence, people prefer to wear cotton clothes in summer.
(d) Air around the glass contain water vapour.
*Due to coldness on the surface of the glass water vapour condenses and form water drops on the surface of the glass.