Match the terms given in Column I with the compounds given in Column II.
Column I | Column II |
A. Acid rain | 1. |
B. Photochemical smog | 2. |
C. Combination with hemoglobin | 3. Unsaturated hydrocarbons |
D. Depletion of the ozone layer | 4. |
Codes
A | B | C | D | |
1. | 4 | 2 | 3 | 1 |
2. | 1 | 2 | 3 | 4 |
3. | 4 | 3 | 2 | 1 |
4. | 4 | 1 | 3 | 2 |
Match the pollutant (s) in Column I with effect (s) in Column II.
Column I | Column II |
A. Oxides of Sulphur | 1. Red haze in traffic and congested areas |
B. Nitrogen dioxide | 2. Damage to kidney |
C. Lead | 3. ‘Blue baby’ syndrome |
D. Nitrate in drinking water | 4. Respiratory diseases |
Codes
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 1 | 2 | 3 | 4 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 1 | 2 | 3 |
The practice that does not come under green chemistry among the following is-
1. | Making use of soap made of vegetable oils instead of using synthetic detergents. |
2. | Using H2O2 for bleaching purposes instead of using chlorine-based bleaching agents. |
3. | Using bicycles for traveling small distances instead of using petrol/diesel based vehicles. |
4. | Using plastic cans for neatly storing substances. |
Pollution that occurs in the lowest layer of the atmosphere is :
1. Stratosphere pollution.
2. Ozone layer pollution.
3. Air pollution.
4. Troposphere pollution.
Among the following gases, the one that is not a greenhouse gas is :
1. CO
2. O3
3. CH4
4. H2O vapor
The best alternative of tetrachloroethane for dry cleaning is-
1. Liquified CO2 along with suitable detergent.
2. Liquified CO2 along with suitable oil.
3. Liquified SO2 along with suitable detergents.
4. Liquified SO2 along with suitable oil.
A farmer was told that fishes were not fit for human consumption because a large amount of pesticides had accumulated in the tissues of fishes. This happens:
1. By the transfer of pesticides in the food chain.
2. By the degradation of pesticides.
3. By the reaction of pesticides with atmospheric oxygen.
4. By the reaction of pesticides with atmospheric carbon dioxide.
Green plants use carbon dioxide for photosynthesis and return oxygen to the atmosphere. Even then carbon dioxide is considered to be responsible for green house effect :
1. Due to an increase in atmospheric temperature.
2. Due to ozone depletion.
3. Due to decrease in atmospheric temperature.
4. Due to an increase in chlorophyll concentration.
Acid rain occurs due to the oxidation of :
1. Carbon, sulphur (unsaturated hydrocarbon) and nitrogen.
2. Ethanol.
3. Methanol.
4. Methane.
A factory was started near a village. Suddenly villagers started feeling the presence of irritating vapors in the village and cases of headache, chest pain, cough, dryness of throat, and breathing problems increased. Villagers blamed the emissions from the chimney of the factory for such problems. This is :
1. Due to the burning of fossil fuels such as gasoline, coal, natural gas, etc.
2. Due to the burning of toxic soil.
3. Due to the burning of white Phosphorus in soil.
4. Due to Excessive sound pollution.