Question

1. Which of the following conditions are observed when beat is supplied to the substance?
Choice Questions
2. Solid + Liquid, Liquid
b. Solid + Liquid, Liquid. Ces
c. Solid + Gas
d. Solid + Gas, Liquid Gas
2. Latent heat is evowled during the transformation of liquids into solids. How will you explan
This statement?
2. Heat released and temperature decreases
b. Heat absorbed and temperature increases
c. Heat does not absorbed nor released
d. Not sure
3. In above experiment, what will be the maximum rise in temperature of water after melting of
ice?
a 27°C
b.0°C
c. 4°C
d. 100 °C
4. The increase in temperature of water above its boiling point in the pressure cooker is due to
change in
a. pressure b. volume c. mass
d. all of these
5. The temperature of ice can be decreased below 0°C by mixing
a. saw dust b. sand c. salt
d. coal​

Answer 1

Answer:

2 b) solid+ liquid ,liquid ces

2 b) heat absorbed and temperature ️ increases

3 c) 4 c

4 d) all of these .

5 c ) salt