Question

According to the definition of pure substance,which of the fall is a pure substance?​

Answer 1

Explanation:

according to the definition of the pure substance all of the given options are pure substance

option d

Explanation:

pure substances include elements and compounds. They have same boiling and melting point. In addition to this a pure substance which is made up of gold consists of only particles of gold.

They have fixed boiling and melting point. However the mixture have different types of substances in different ratio. As a result of this their boiling point changes with change in the concentration of the substances present in them

Answer 2

Answer:

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Explanation:

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