Q.

An example of a pure substance is:

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a

Air

b

Distilled water

c

Steel

d

Brass

 

answer is B.

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Detailed Solution

Distilled water is an example of a pure substance.

Any substance that contains only one type of particle and has constant composition and properties throughout the substance are said to be a pure substance. Distilled water has one type of particle whereas air, steel and brass are mixtures of two or more substances..

 
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