Question

State whether the following sentences are
True or False
1 A new substance is formed
during a physical change,
2. Combustion is an example of
physical change
3. Cutting of wood is a physical
process, whereas burning of
wood is a chemical process,
1. During sublimation, a solid
substance changes directly to
its vapour state
5. Eruption of a volcano is a
chemical change
6. Freezing of water is a chemical
change
7. Water vapour changes to
ice during the process
of condensation​

Answer 1

Answer:

1.true

2. false .

3. false.

4 true

5. true

6. false.

7. true

Answer 2

Answer:

1- False

2-flase

3-true

4-true

5-false

6-false

7-true

Hope it helps you!