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प्रश्न
List gases which are responsible for greenhouse effect.
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उत्तर
The major greenhouse gases are:
- Carbon dioxide (CO2)
- Methane (CH4)
- Water (H2O)
- Nitrous oxide (NO)
- Ozone (O3)
- Chlorofluorocarbons (CFCs)
संबंधित प्रश्न
Carbon monoxide gas is more dangerous than carbon dioxide gas. Why?
Statues and monuments in India are affected by acid rain. How?
Which of the following gases is not a green house gas?
The acids present in acid rain are:
(i) Peroxyacetylnitrate
(ii) H2CO3
(iii) HNO3
(iv) H2SO4
Green house effect leads to global warming. Which substances are responsible for green house effect?
Match the pollutant(s) in Column I with the effect(s) in Column II.
| Column I | Column II |
| (i) Oxides of sulphur | (a) Global warming |
| (ii) Nitrogen dioxide | (b) Damage to kidney |
| (iii) Carbon dioxide | (c) ‘Blue baby’ syndrome |
| (iv) Nitrate in drinking water | (d) Respiratory diseases |
| (v) Lead | (e) Red haze in traffic and congested areas |
Assertion (A): Green house effect was observed in houses used to grow plants and these are made of green glass.
Reason (R): Green house name has been given because glass houses are made of green glass.
Assertion (A): The pH of acid rain is less than 5.6.
Reason (R): Carbon dioxide present in the atmosphere dissolves in rain water and forms carbonic acid.
Assertion (A): Carbon dioxide is one of the important greenhouse gases.
Reason (R): It is largely produced by respiratory function of animals and plants.
Green plants use carbon dioxide for photosynthesis and return oxygen to the atmosphere, even then carbon dioxide is considered to be responsible for greenhouse effect. Explain why?
Which of the following is a secondary pollutant?
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 |
Choose the correct answer from the options given below.
The gas released during anaerobic degradation of vegetation may lead to ______.
Assertion (A): Ozone is destroyed by CFCs in the upper stratosphere.
Reason (R): Ozone holes increase the amount of UV radiation reaching the earth.
Thermal power plants can lead to ______.
Higher concentration of which gas in the air can cause stiffness of flower buds?
