Which of the following are not compounds?(a) Chlorine gas(b) Potassium chloride(c) Iron(d) Iron sulphide
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pottasium Chrolide is the Answer of this Question
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a--Chlorine gas is not a compound
Chlorine gas, Cl2, is a molecule. The most common compound of chlorine is sodium chloride, NaCl (table salt.) All compounds are molecules but not all molecules are compounds. A compound consists of atoms or ions of two or more different elements in definite proportions joined by chemical bonds into a molecule.
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