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coal tar
--thick liquid
--has unplesant smell
--is a mixture of about 200 substances like drugs, synthetic dyes, explosives, perfumes etc.
coal gas
--obtained during the processing of coal to get coke
--used as a fuel in industry
--for lighting purpose

2 5 2
Coal gas are used in the industry and also used for lighting purposes
coal tar are used in explosives, perfumes etc.
hope you like it and will help you too
1 5 1
thanks guys
your is best too
moderators please don't sdelete this answer as it is short ok
i need this answer
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