Question

1. Write about pure and impure substance.

Answer 1

Answer:

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If the substance consists of just one type of particles or molecules, it is said to be a pure substance. On the other hand, if the substance is made up of two or more different types of elements or compounds, it is said to be an impure substance

Answer 2

Answer:

if the substances consist of just one type of particles or molecules,it is said to be Pure Substance

On the other HAND;

if the substamce made up of two types of particles or molecules, it is KNOWN as Impure Substance

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