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- 1(current)
Q. No.| Assertion (A): | Ozone is destroyed by chlorofluoro Carbon (CFC) in the upper stratosphere |
| Reason (R): | Ozone holes increase the amount of UV radiation reaching the earth |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Air Pollution - Ozone |
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From NCERT
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Assertion (A): PAN (Peroxy Acetyl Nitrate) is a secondary pollutant.
Reason (R): PAN is formed by the interaction of \(O_3\) and \(NO_2.\)
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) and (R) both are false.
Reason (R): PAN is formed by the interaction of \(O_3\) and \(NO_2.\)
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) and (R) both are false.
Subtopic: Â Air Pollution - Smog |
From NCERT
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Q. No.
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