Depletion of Ozone Layer

Q.

Locking of _______ and _______ free radicals is called scavenging.

1. Chlorine monoxide; chlorine

2. Chlorofluro carbon; fluorine

3. Carbon dioxide; carbon

4. Carbon monoxide; carbon

Q.

Which day is celebrated as the International Ozone day ?

1. 3rd January

2. 16th September

3. 12th December

4. 24th April

Q. Which of the following pairs are correct?

1. Saturated Compounds - Yellow Flame, Unsaturated Compounds – Clean or blue Flame
2. Saturated Compounds and Unsaturated Compounds both give yellow flame
3. Saturated Compounds- Clean or blue Flame, Unsaturated Compounds – Yellow Flame
4. Saturated Compounds and Unsaturated Compounds both give Clean or Blue flame

Q. ntA sample of gasoline contain 81% octane and 19% n-heptane. Its octane number will be :-n nt(1) 19n nt(2) 81n nt(3) 100n nt(4) 62n

Q. CFC compounds are made up of which among the following elements?

1. Chlorine
2. Fluorine
3. Carbon
4. Oxygen

Q.

Which day is celebrated as 'International Ozone Day'?

1. October 21

2. September 16

3. September 30

4. March 20

Q. Which of the following are the effects of ozone layer depletion?

1. Air pollution
2. Acid rains
3. Skin cancer
4. Eye damage
5. Crop damage
6. Noise pollution
7. Soil erosion
8. Heart problems

Q. Choose the correct pairs.

1. Ozone
2. Nitrogen oxide
3. Short wavelength
4. Low energy U.V.
5. Long wavelength
6. Burning of plastic
7. High energy U.V.
8. Triatomic