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प्रश्न
Choose the correct answer.
The coal that has the highest percentage of carbon is
पर्याय
anthracite
bituminous
lignite
peat
उत्तर
The coal that has the highest percentage of carbon is anthracite
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संबंधित प्रश्न
What is a source of energy? What are the two main categories of the sources of energy?
What is the difference between a renewable and a non-renewable source of energy? Explain with examples.
Classify the following into renewable and non-renewable sources of energy:
Coal, Wind, Tides, Petroleum,Wood, Natural gas
An examples of a renewable source of energy is:
(a) petrol
(b) natural gas
(c) biogas
(d) kerosene
Name the component which is found in natural gas well as in biogas.
Explain why, natural gas is considered to be a good fuel.
Why is the leakage of LPG detected easily although it is odourless? State the steps to be taken in case its leakage is detected in the kitchen.
Which of the following is not a fossil source of energy?
(a) kerosene oil
(b) cow-dung cakes
(c) CNG
(d) coal
Which of the following is needed for the formation of biogas from cow-dung and which not?
Water, Oxygen
Why is biogas considered an ideal fuel for domestic use?
Which of the following sources of energy are not derived from the sun?
Biomass, Wind, Ocean thermal energy, Geothermal energy, Nuclear fuels, Hydroelectricity, Wave energy, Coal, Petroleum, Tidal energy
Select the renewable and non-renewable sources of energy from the following :
- Coal
- Wood
- Water
- Diesel
- Wind
- Oil
Why is the use of wood as a fuel not advisable although wood is a renewable source of energy?
Fill in the blank
Solar cells use the power supplied by the ______.
State whether the following is True or False.
The Sardar Sarovar Dam is built on the river Narmada.
What are fossil fuels?
Explain why is it no wise to regard wood as a renewable sources of energy.
Tidal energy is ______ type of energy.
Write True/False against the following statement.
Oxygen in air is an exhaustible natural resource.
