Question

( (d) Plastic
(d) Air
d) boiling
Recalling Ideas
1. Select the correct option:
1. Which of the following is a man-made material?
(a) Water
0 (b) Wood 0 (c) Air
2. Which of the following is matter?
(a) Heat
(b) Shadow
(C) Sunlight
3. Water vapour can be changed into water by the process called
(a) vaporisation (b) condensation
(b) condensation O (C) melting
4. The intermolecular spaces are minimum in case of
(a) solids 0 (b) liquids
(c) gases
5. Which of following solids is crystalline?
(a) Common salt (b) Flour
(c) Talcum powder
II. State if the following statements are True or False. Correct the false statement
1. The boiling point of a liquid and the condensation point of its vapours have the
numerical value.
(d) only water
(d) Cement
2. Molecules are closely packed in a gas.
3. Liquids have two free surfaces.
4. A pure substance is made up of only one kind of matter.
5. A known volume of any liquid poured into a container does not occupy the same​

Answer 1

so many questions

I will send you the image of the answer tomorrow