Question

4. Name two materials which are smooth to touch.
5. Define opaque objects.
6. Name two substances which are not soluble in
water.
7. Name any one material which is smooth but
hard.​

Answer 1

Answer:

Answer 1 = Plastic spoon , Piece of silk .

Answer 2 = See on picture

Answer 3 = Oil , Wood .

Answer 4 = Diamond.

Explanation:

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