CFCs

Q.

What are CFCs? what are the adverse effects of CFCs?

Q.

How are CFCs harmful?

Q.

Ozone layer depletion is mainly caused due to ___.

(CFCs/methane/nitrogen oxides)

Q.

Name the common air pollutant which causes depletion of ozone layer.

Q.

Mention any three factors that are adversely affecting the environment.

Q.

Ozone layer depletion is caused due to

___

(CFCs/methane/nitrogen oxides/sulphur dioxide)

Q.

The human-made synthetic chemical used in refrigerator is-

1. LPG

2. CFC

3. CH₄

4. PVC

Q.

How do humans harm the environment ?

Q.

What is the full form of CFCs?

Q.

What do you understand by occlusion? Give any process where occlusion is useful.

Q.

2. Write the names of the elements present in these compounds.

iv. methane

Q. Write the full names of:
(b) CFC

Q.

Name the pollutant which causes depletion of ozone layer.

Q. Which of the following gas causes ozone depletion?

1. Nitrogen
2. Hydrogen
3. CFC
4. Oxygen

Q. Chlorofluorocarbons are molecules which depletes the ________.

1. top layer
2. ozone layer
3. oxygen
4. none of the above

Q.

Ozone layer depletion is caused due to

___

(CFCs/methane/nitrogen oxides/sulphur dioxide)

Q. What would be the effect of ozone depletion?​