Question

Knowledge in the Best Currency
Std 7ın to 12th (CBSE/CSE/Guj Board)
Std: gm CBSE
Contact No: -63-59-69-79-89
Subject: Science
TEST
Date:
Matter in our surroundings
0:1Choose the correct option:
1. Evaporation of a liquid occurs at
a. a. boiling point
b. at fixed temperatures
b. c.at temperature lower than boiling point
dat all temperatures
2. The conversion of gas into liquid is called
a. Freezing b . Condensation c. Sublimation
d. Fusion
3. The ice floats on water because
a. its density is more than water
b. solid changes into liquid
b. c. it has intermolecular space
d. none
4. The density of water is maximum at
a. a.0°C
b. 100°C
d. 273k
5. Solids and gases mix in water
a. because water is a good solvent
b. because water has intermolo
c. diffusion is faster in water
d. all of above.
c. 40​

Answer 1

Answer:

4 b 100 degree celuis ok

Answer 2

Answer:

1-at all temp.

2-condensation

3-none

4-40

5-diffusion is fast in water