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प्रश्न
Choose the correct answer.
The coal that has the highest percentage of carbon is
पर्याय
anthracite
bituminous
lignite
peat
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उत्तर
The coal that has the highest percentage of carbon is anthracite
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संबंधित प्रश्न
Compare and contrast fossil fuels and the Sun as direct sources of energy
What is meant by conventional sources of energy? Write the names of two conventional sources of energy.
Write a short note on the pollution caused by burning fossil fuels.
What are fossil fuels? Give three examples of fossil fuels.
The ultimate source of energy stored in fossil fuels is:
(a) moon
(b) earth
(c) sun
(d) sea
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Water, Oxygen
Name the clean fuel which can be obtained from cow-dung.
What is the function of anaerobic micro-organisms such as anaerobic bacteria in a biogas plant?
What type of nuclear reaction is responsible for the liberation of energy:
in a nuclear reactor?
You have three unlabelled test tubes containing ethanol, ethanoic acid and soap solution. Explain the method you would use to identify the compounds in different test tubes by chemical tests using litmus paper and sodium metal.
State whether the following is True or False.
Renewable energy resources have limited supply in nature.
State whether the following is True or False.
The Sardar Sarovar Dam is built on the river Narmada.
What are renewable energy resources?
What is the main difference between renewable and non-renewable energy resources?
Can you tell?
What are the non-conventional energy resources?
Explain why is it no wise to regard wood as a renewable sources of energy.
Choose the incorrect statement regarding wind power
Why is there a need for harnessing non-conventional sources of energy? How can energy be harnessed from the sea in different ways?
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