An ideal gas is a theoretical gas composed of a set of randomly moving, non-interacting point particles. The ideal gas concept is useful because it obeys the ideal gas law, a simplified equation of state, and is amenable to analysis under statistical mechanics. One mole of an ideal gas has a volume of 22.41 L at STP.

Answers

2014-05-17T11:48:07+05:30
A hypothetical gas whose molecules occupy negligible spaces and have no interactions,and which consequently obeys gas laws .ex- nitrogen , oxygen , noble gases , etc 
                    
                                                           i hope this will help u 

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2014-05-17T11:50:14+05:30
A gas which has
-less ash
-lot of heat
-eco friendly
-low in price
-eg--CNG,LPG
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