Question

D. Answer the following questions in brief.
used
and
the
tha
1. Define the following:
(a) Natural materials
a b
(b) Transparent materials
1.
2.
2.
Name any three materials that are (i) transparent (ii) opaque in nature.
3.
3.
Which state of matter (i) can (ii) cannot easily change its shape and volume?
Why?
4. Why do materials diffuse into each other?
5.
Define the term 'solubility'. How does it change on increasing the temperature
of water?
6.
Name three materials that are (i) soluble (ii) insoluble in water.
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Answer 1

Answer:

what is the exact question