Question

1. Which of the following is a man-made material?
(c) air
(d) Plastic
(a) Water
(b) Wood
2. Which of the following is matter ?
(a) Heat
(b) Shadow
(c) sunlight
(d) air
3 . Water vapour can be changed into water by the process called
(a) vaporisation
(b) condensation
(c) melting
(d) boiling
4. The intermolecular spaces are minimum in case of
(d) only water
(a) solids
(b) liquids
(c) gases
5. Which of following solids is crystalline?
(d) Cement
(a) Common salt
(b) Flour
(c) Talcum powder​

Answer 1

Answer:

1.Plastic 2.Heat 3.condensation 4.solids 5.Flour

Explanation:

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Answer 2

Answer:

● Plastic is a man-made material.

● Air is a matter.

● Water vapour can be changed into water by the process called Condensation.

● The intermolecular spaces are minimum in case of Gases.

● Common salt is crystalline solid.