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प्रश्न
Match the terms given in Column I with the compounds given in Column II.
| Column I | Column II |
| (i) Acid rain | (a) CHCl2 – CHF2 |
| (ii) Photochemical smog | (b) CO |
| (iii) Combination with haemoglobin | (c) CO2 |
| (iv) Depletion of ozone layer | (d) SO2 |
| (e) Unsaturated hydrocarbons |
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उत्तर
| Column I | Column II |
| (i) Acid rain | (c) CO2, (d) SO2 |
| (ii) Photochemical smog | (d) SO2, (e) Unsaturated hydrocarbons |
| (iii) Combination with haemoglobin | (b) CO |
| (iv) Depletion of ozone layer | (a) CHCl2 – CHF2 |
Explanation:
(i) Acid rain is caused due to oxides of carbon, sulphur and nitrogen.
(ii) Photochemical smog is formed by unburnt fuel (unsaturated hydrocarbons).
(iii) Carbon monoxide with haemoglobin is poisonous.
(iv) Chlorofluorocarbons (CHCl2 – CHF2) cause ozone depletion.
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संबंधित प्रश्न
Explain tropospheric pollution in 100 words.
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Match List - I with List - II.
| List - I | List - II | ||
|
(a) |
\[\ce{2SO2(g) + O2(g) -> 2SO3(g)}\] | (i) | Acid rain |
| (b) | \[\ce{HOCl(g) ->[hv] \overset{\bullet}{O}H + \overset{\bullet}{C}l}\] | (ii) | Smog |
| (c) | \[\ce{CaCO3 + H2SO4 -> CaSO4 + H2O + CO2}\] | (iii) | Ozone depletion |
| (d) | \[\ce{NO2(g) ->[hv] NO(g) + O(g)}\] | (iv) | Tropospheric pollution |
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Reason (R): Ozone holes increase the amount of UV radiation reaching the earth.
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