State in which of the following examples :
a piece of wood, water, a light gas
(i) Inter-particle space maximum
(ii) Inter-particle attraction maximum
(iii) Energy possessed by particles of matter is very large.
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Solution
The interparticle space is minimum in solid as the interparticle force of attraction is maximum in solid. Liquid has more interparticle space than solid and gases have maximum interparticle space.
(i) A light gas (1 Mark)
(ii) a piece of wood (1 Mark)
(iii) a light gas (1 Mark)