which of the following is not a pure substance?a.common salt b.sugar.c.rainwater d.iron
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iron........................
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rainwater............
Tanmay026:
It has many impurities because of air pollution
i am asking pure Substance
not impure
hmm.i don't know
ur name is tanmay no
why
??
simply ask
ohh
Rain water is considered the purest form of water. Impurities and salts present in water on earth are left behind during vaporisation by the sun. However, the rain water we receive on earth is not necessarily pure, as it brings down impurities and particles present in the atmosphere along with it.
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