Chemistry
Grade-6
Easy
Question
Livestock farming contains:
- Methane
- Greenhouse gases
- Volatile organic compounds
- All of these
Hint:
The excreta is used to make biogas.
The correct answer is: All of these
Livestock farming contains Methane, Greenhouse gases, and Volatile organic compounds.
Livestock contributes directly and indirectly to climate change through emissions of greenhouse gases such as carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O).
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One of the major causes of air pollution is road transportation (emission from vehicles). Vehicles emit various pollutants which are having adverse effects on human beings at even low levels.
(i) Carbon dioxide
(ii) Carbon monoxide
(iii) Nitrogen dioxide
(iv) Benzene
Identify the pollutants which have not been tolerated by humans at a very low level?
One of the major causes of air pollution is road transportation (emission from vehicles). Vehicles emit various pollutants which are having adverse effects on human beings at even low levels.
(i) Carbon dioxide
(ii) Carbon monoxide
(iii) Nitrogen dioxide
(iv) Benzene
Identify the pollutants which have not been tolerated by humans at a very low level?
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When rain and snow is mixed together and fall on the ground, they are called as:
When rain and snow is mixed together and fall on the ground, they are called as:
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Indoor air averages 2-5 times more polluted than the outdoor air and air circulation is very less inside as compared to outside. Which of the following pollutants is not considered to cause indoor air pollution?
Indoor air averages 2-5 times more polluted than the outdoor air and air circulation is very less inside as compared to outside. Which of the following pollutants is not considered to cause indoor air pollution?
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Which of the following statements is correct?
i. The less burning of fuels leads to a larger amount of greenhouse gases being emitted.
ii. Organic agriculture is not entirely emission-free, but the amount of pollutants is lower.
iii. Trees are not only natural air filters, but they also cool down summer temperatures by a few degrees.
Which of the following statements is correct?
i. The less burning of fuels leads to a larger amount of greenhouse gases being emitted.
ii. Organic agriculture is not entirely emission-free, but the amount of pollutants is lower.
iii. Trees are not only natural air filters, but they also cool down summer temperatures by a few degrees.
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Which of the following are the better household practices:
Which of the following are the better household practices:
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Smoking inside the house causes:
Smoking inside the house causes:
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Air pollution has adverse effects on:
Air pollution has adverse effects on:
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In which of the following household products formaldehyde is not found:
In which of the following household products formaldehyde is not found:
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________ cars emit more nitrogen oxides than petrol cars
________ cars emit more nitrogen oxides than petrol cars
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By which of the following ways we can reduce the exposure of synthetic chemicals in the house?
By which of the following ways we can reduce the exposure of synthetic chemicals in the house?
ChemistryGrade-6
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Using renewable energy sources is always better because:
Using renewable energy sources is always better because:
ChemistryGrade-6
Chemistry
Match column A(pollutants) with column B(sources).
| Column A |
Column B |
| (a) Ammonia |
(i) Fossils fuels |
| (b) Black carbon |
(ii) Fertilizers |
| (c) Formaldehyde |
(iii) Cigarettes |
| (d) Smoke |
(iv) Disinfectants |
Match column A(pollutants) with column B(sources).
| Column A |
Column B |
| (a) Ammonia |
(i) Fossils fuels |
| (b) Black carbon |
(ii) Fertilizers |
| (c) Formaldehyde |
(iii) Cigarettes |
| (d) Smoke |
(iv) Disinfectants |
ChemistryGrade-6
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By installing tall chimneys in the factories:
By installing tall chimneys in the factories:
ChemistryGrade-6
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The long form of C.N.G. is:
The long form of C.N.G. is:
ChemistryGrade-6
Chemistry
The natural air filters from the following is:
The natural air filters from the following is:
ChemistryGrade-6
