Question

do rocks have definite chsemical composition ??

Answer 1

Explanation:

First, a rock is composed of one or more minerals and sometimes mineraloids but do not have a crystal structure. A mineral is a chemical substance made up of one or more chemicals having a definite crystal structure. Rocks do not have a definite chemical composition whereas minerals do.

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Answer 2

Answer:

a rock is composed of one or more minerals and sometimes mineraloids but do not have a crystal structure.

Explanation:

A mineral is a chemical substance made up of one or more chemicals having a definite crystal structure. Rocks do not have a definite chemical composition whereas minerals do.