Question

What are pure substance? Give three examples .

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Answer 1

Answer:

Examples of pure substances include tin, sulfur, diamond, water, pure sugar (sucrose), table salt (sodium chloride) and baking soda (sodium bicarbonate). Crystals, in general, are pure substances. Tin, sulfur, and diamond are examples of pure substances that are chemical elements. All elements are pure substances.

Answer 2

Answer:

A substance that has a fixed chemical composition throughout is called a pure substance such as water, air and nitrogen.

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