Question

1.What are pure substances? 2. What is impure substances? Give both the answers in 9 sentences,without example

Answer 1

Substace which contain same type of atoms is called pure substance..

Impure is oppsite of pure substance

Substance which contain more than obe type of atoms iz called Impure substance.

Thanku

Answer 2

Answer:

In chemistry, a pure substance is a sample of matter with both definite and constant composition and distinct chemical properties. To avoid confusion, a pure substance is often referred to as a "chemical substance."

impure

materials may be mixtures of elements, mixtures of compounds, or mixtures of elements and compounds

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