Advertisements
Advertisements
Question
Choose the correct answer.
The coal that has the highest percentage of carbon is
Options
anthracite
bituminous
lignite
peat
Advertisements
Solution
The coal that has the highest percentage of carbon is anthracite
APPEARS IN
RELATED QUESTIONS
What is a source of energy? What are the two main categories of the sources of energy?
What is meant by a non-renewable source of energy? Give two examples of non-renewable source of energy.
Which of the following fuels has the highest calorific value?
(a) natural gas
(b) methane gas
(c) hydrogen gas
(d) biogas
What is the composition of liquefied petroleum gas (LPG)?
What is the main constituent of:
(1) petroleum gas?
(2) natural gas?
Which fossil fuels were formed by the buried remains of small plants and animals?
Which fossil fuel formed by the buried remains of large land plants?
Coal cannot be converted into one of the following forms of energy. This is:
(a) coal gas
(b) electricity
(c) oil
(d) charcoal
Name the clean fuel which can be obtained from cow-dung.
Name the biomass which is still widely used as a source of heat energy in many household of our country.
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
The major component of biogas is:
(a) hydrogen
(b) butane
(c) hydrogen sulphide
(d) methane
The fuel which is not obtained from biomass is:
(a) firewood
(b) cow-dung cakes
(c) coke
(d) charcoal
The non-renewable source of energy among the following is:
(a) hydroelectricity
(b) sewage gas
(c) natural gas
(d) gobar gas
The source of energy of the sun is:
(a) conversion of hydrogen gas into helium
(b) conversion of carbon fuel into carbon dioxide
(c) burning of hydrogen gas present in the sun
(d) disintegration of uranium into barium and krypton
State whether the following is True or False.
Coal and petroleum are renewable energy resources.
What are fossil fuels?
Describe the four major types of coal.
Higher Order Thinking Skill (HOT)
What are the objectives for replacing non-conventional energy resources from conventional energy resources?
Imagine that all the exhaustible natural resources are exhausted by human activities. Do you think survival of living beings would be possible? If yes, why? If not, why not?
