Question

1. What are pure substances ? Give two examples.
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Answer 1

Answer:

A substance that has a fixed chemical composition throughout is called a pure substance such as water, air, and nitrogen. A pure substance does not have to be of a single element or compound.

Answer 2

Explanation:

There are many substance which are stated to be pure but if we see the point of view of science pure substance contain only one type of atom or molecules. example of pure substance are. pure gold.