HARD
Earn 100

Draw a flow chart showing Exhaustible and Inexhaustible resources and their use.

Important Questions on Coal and Petroleum

MEDIUM
Science>Chemistry>Coal and Petroleum>Natural Resources
List any three differences between nuclear fission reaction and nuclear fusion reaction.
EASY
Science>Chemistry>Coal and Petroleum>Natural Resources
Which of the following is not an example of a bio-mass energy source?
EASY
Science>Chemistry>Coal and Petroleum>Natural Resources
Name two uses biogas.
EASY
Science>Chemistry>Coal and Petroleum>Natural Resources
By what name is biogas popularly known in India?
EASY
Science>Chemistry>Coal and Petroleum>Natural Resources

Write names of any two energies produced in ocean.

EASY
Science>Chemistry>Coal and Petroleum>Natural Resources
Write the name of two elements used as nuclear energy.
MEDIUM
Science>Chemistry>Coal and Petroleum>Natural Resources
Write any four differences between nuclear fusion and nuclear fission.
EASY
Science>Chemistry>Coal and Petroleum>Natural Resources
Which one of the following is an example of Biomass energy source.
EASY
Science>Chemistry>Coal and Petroleum>Natural Resources
Nowadays bio-diesel is used in transportation vehicles as an alternate to diesel. Write two advantages of this measure.
MEDIUM
Science>Chemistry>Coal and Petroleum>Natural Resources
Explain how is nuclear energy generated in power reactors. How is electricity produced from nuclear energy?
MEDIUM
Science>Chemistry>Coal and Petroleum>Natural Resources
Write a short note on: Nuclear Energy
EASY
Science>Chemistry>Coal and Petroleum>Natural Resources
Write down the process of evolution of fossil fuels on Earth.
EASY
Science>Chemistry>Coal and Petroleum>Natural Resources
 State two ways to prevent the rusting of iron.
EASY
Science>Chemistry>Coal and Petroleum>Natural Resources
Which of the following is not an example of a biomass energy source?
MEDIUM
Science>Chemistry>Coal and Petroleum>Natural Resources

Which of the following are physical changes?

(a) Melting of iron metal        (b) Rusting of iron

(c) Bending of an iron rod     (d) Drawing a wire of iron metal

MEDIUM
Science>Chemistry>Coal and Petroleum>Natural Resources
Useful substance in preparation of freezing mixture is 
EASY
Science>Chemistry>Coal and Petroleum>Natural Resources
Uranium is used to obtain:
EASY
Science>Chemistry>Coal and Petroleum>Natural Resources

Write down the two benefits of use of solar energy.

MEDIUM
Science>Chemistry>Coal and Petroleum>Natural Resources
Which of the following is the Bio/Gobar gas?
MEDIUM
Science>Chemistry>Coal and Petroleum>Natural Resources
Explain how petroleum is formed?