Chemistry
Grade-6
Easy
Question
Which of the following is used as a clean energy source?
- Petroleum
- Solar panel
- Coals
- Natural gas
Hint:
Energy from one of these is unlimited due to it's source.
The correct answer is: Solar panel
The solar panel is used as a clean energy source.
Generating electricity with solar panels releases no greenhouse gases into the atmosphere. And since the sun provides more energy than we need, solar power is a very important energy source to clean energy generation.
The running cost after installing the solar panel is very low compared to other power generation methods. No fuel is required. This means that solar energy can generate large amounts of electricity without the uncertainty and expense of securing a fuel supply.
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Livestock farming contains:
Livestock farming contains:
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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.
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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
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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?
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Using renewable energy sources is always better because:
Using renewable energy sources is always better because:
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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 |
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By installing tall chimneys in the factories:
By installing tall chimneys in the factories:
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The long form of C.N.G. is:
The long form of C.N.G. is:
ChemistryGrade-6
