which of the following are not compound
(a) chlorine gas
( b) carbon dioxide
(c) water
(d) iron sulphide
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Answer:
a) chlorine gas is not compound
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Explanation:
Chlorine gas, Iron Powder, Aluminium foil, Iodine vapour, graphite and diamond are not compounds. These are different states of an element. ie., Cl₂, Fe, Al, I₂ and C atoms' allotropes.
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