Question

a)Iron sulfide is a compound
give reason
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Answer 1

Iron is a metal, while sulfur is a nonmetal. When these two are heated together, the iron atoms combine with the sulfur atoms to make a compound known as iron sulphide. A compound is different from elements in that it is made from the chemical union of two or more elements.

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Answer 2

Answer:

COMPOUNDS ARE SUBSTANCES WHICH ARE A MIX OF 2+ ELEMENTS IN A FIXED PROPORTIONS AND CANNOT BE SEPARATED BY PHYSICAL METHODS

Explanation:

IRON SULFIDE(FeS)=COMPOUND AS IT IS A MIX OF IRON AND SULFUR IN A FIXED PROPORTION AND CANNOT BE SEPARATED BY PHYSICAL METHODS