1. Cutting of cloth is an example of a periodic change. 2. Taking a glass of water and freezing it by placing it in the freezer is a chemical change.

Question

True or False – If False give the correct answer :

1. Cutting of cloth is an example of a periodic change.

2. Taking a glass of water and freezing it by placing it in the freezer is a chemical change.

3. A bean plant collecting sunlight and turning it into bean seeds is an example of physical and non-periodic change.

4. If the chemical properties of a substance remain unchanged and the appearance or shape of a substance changes it is called a periodic change.

5. Tarnishing of silver is an example of endothermic change.

Answer 1

1. False, 

Cutting of cloth is an example of a physical change.

2. False, 

Taking a glass of water and freezing it by placing it in the freezer is a physical change

3. False, 

A bean plant collecting sunlight and turning it into bean seeds is an example of chemical and non-periodic change.

4. False, 

if the chemical properties of a substance remain unchanged and the appearance or shape of a substance changes it is called a fossil change.

5. False, 

Tarnishing of silver is an example of change.