Question

4. If the components of the substance can be separated by a chemical change only then it is a/an
(a) element
(b) compound
(c) mixture
(d) none of the these
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Answer 1

Answer:

b. compounds.

Compounds are substances composed of two or more elements chemically combined that can be separated into simpler substances only by chemical means.

Answer 2

Explanation:

compound is the answer thanku hope it will help you