Access Answers to NCERT Class 9 Science Chapter 2: Is Matter Around Us Pure  (All in text and Exercise Questions solved)

Exercise-2.1 Page: 15 ( Is Matter Around Us Pure

1. What is meant by a substance?

Solution:

It is a pure single form of matter. A substance has definite properties and compositions. Example – Iron

2. List the points of differences between homogeneous and heterogeneous mixtures.

Solution:

Written By AAMIR MUMTAZ

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