Question

Choose the correct option
1. Two bodies are placed in contact. Heat will
flow between them
(a) only if they are at different temperatures
(b) even if they are at the same temperature
(c) only if they have different amounts of
heat energy
(d) in more than one of the above situations
2. Which of the following temperatures is not
used as a fixed point on any temperature
scale?
(a) 0 °C
(b) OF
(c) 100 C
(d) 212 F
3. Which of the following processes can occur
at all temperatures?
(a) Melting of a solid
(b) Freezing of a liquid
(c) Evaporation of a liquid
(d) Boiling of a liquid
4. When a solid is heated, the increase in its
volume does not depend on its
(a) initial volume
(b) rise in temperature
(c) material
(d) shape
5. A convection current is set up in a fluid
because of a difference in
(a) temperature (b) density
(c) volume
(d) all of these
Fill in the blanks.
1. A flame is produced when gases combine
with releasing a lot of energy.
2. Small gaps are left in a railway track to allow
for in summer.
3. Bimetallic strips ...... on heating.​

Answer 1

Answer:

2.b)

3.c)

4.d)

5.d)

Explanation:

Mark me as brainlist.

Thank you hope this helps you.

Answer 2

Choose the correct option :-

1. Two bodies are placed in contact. Heat will flow between them

(a) only if they are at different temperatures

2. Which of the following temperatures is not used as a fixed point on any temperature scale?

(b) O° F

3. Which of the following processes can occur at all temperatures?

(c)Evaporation of a liquid

4. When a solid is heated, the increase in its.volume does not depend on its

(d) shape

5. A convection current is set up in a fluid because of a difference in

(a) temperature

Fill in the blanks :-

1. A flame is produced when gases combine with oxygen releasing a lot of energy.

2. Small gaps are left in a railway track to allow for expansion in summer.

3. Bimetallic strips bend on heating