CBSE Class 9 Answered
(a)How will you show the presence of water vapour in air?
(b)Give the full form of (i) LPG (ii) CNG
Asked by Topperlearning User | 23 Mar, 2016, 10:29: AM
Expert Answer
(a) The formation of tiny drops of water on the outside surface of the vessel containing crushed ice proves the presence of water vapour in air.
(b)
(i) Liquefied petroleum gas
(ii) Compressed Natural Gas
Answered by | 23 Mar, 2016, 12:29: PM
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