Ozone layer of upper atmosphere is being destroyed by
- Photochemical oxidants/O2 and CO₂
- SO2
- Chlorofluorocarbons
- Smog
Submitted by :- Muhammad Nawaz
mnsoomro
Which is atmosphere pollutant ?
- CO2
- CO
- O2
- N2
Submitted by :- Muhammad Nawaz
Air pollution is not caused by which of the following?
- Pollen grains
- Automobiles
- Industries
- Hydroelectric power
Submitted by :- Muhammad Nawaz
What is Result of ozone hole?
- Acid rain
- Greater exposure of earth to U.V. rays
- Increased amount of CO2
- Global warming
Submitted by :- Muhammad Nawaz
Green chemistry refers to:
- Chemistry of plants
- Chemistry of green pigments
- Development of chemical products and processes less harmful to humans
- Chemistry of greenhouse effect
Submitted by :- Muhammad Nawaz
Acid rain is caused due to increase in the concentration of in the atmosphere
- Ozone and dust
- SO₂ and NO₂
- SO3 and CO
- CO₂ and CO
Submitted by :- Muhammad Nawaz
Which pose threat to Historical monument Taj Mahal?
- Floods in Yamuna river
- Temperature mediated spoilage of
- Weathering of marble
- Air pollutants from Mathura refinery marble
Submitted by :- Muhammad Nawaz
U.V. radiation from the sun causes a reaction in the atmosphere that leads to production of
- Nitrogen oxides
- Ozone
- Sulphur dioxide
- Carbon monoxide
Submitted by :- Muhammad Nawaz
Which is major sink for carbon monoxide?
- Soil
- Water
- Animal respiration
- Salts dissolved in ocean water
Submitted by :- Muhammad Nawaz
Which reacts with hemoglobin of blood and produce toxic effect?
- Carbon dioxide
- Nitrogen oxide
- Oxygen
- Carbon monoxide
Submitted by :- Muhammad Nawaz