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A substance is classified a, either an element or a(1) compound(2) solution(3) heterogeneous mixture(4) homogeneous mixture



Answer :

A substance is classified as either an element or a "(1) compound" Since compounds can only be formed from two more elements. Then solutions can take place. 
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Correct answer: A substance is classified a, either an element or a (1) compound.

Reason: 
Element is any substance that contains only one kind of an atom. On other hand, two or more elements combine to form chemical compounds. Depending on the nature of interaction between compounds they are further classified as ionic or covalent.  

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