MEDIUM
Earn 100

The picture shows how petroleum and natural gas are extracted through oil wells

Question Image

Which of the following statements are supported by the picture?

Circle ‘Yes’ or ‘No’ for the correct response.

Is this statement supported by the picture? Yes or No
Petroleum is insoluble in water. Yes/No
Natural gas is denser than petroleum. Yes/No
Petroleum and natural gas deposits are found under rock layers. Yes/No

 

Important Questions on Carbon and Its Compound

MEDIUM
Write any four differences between nuclear fusion and nuclear fission.
MEDIUM
Explain how is nuclear energy generated in power reactors. How is electricity produced from nuclear energy?
EASY
Which of the following is not an example of a bio-mass energy source?
EASY
Write down the process of evolution of fossil fuels on Earth.
EASY
Write any two products that are obtained when coal is distilled in the absence of air.
MEDIUM
List any three differences between nuclear fission reaction and nuclear fusion reaction.
MEDIUM
Write a short note on: Nuclear Energy
EASY

Write down the two benefits of use of solar energy.

EASY

Write names of any two energies produced in ocean.

EASY
Which of the following is not an example of a biomass energy source?
EASY
Write the name of two elements used as nuclear energy.
EASY
By what name is biogas popularly known in India?
MEDIUM

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

EASY
 State two ways to prevent the rusting of iron.
EASY
Nowadays bio-diesel is used in transportation vehicles as an alternate to diesel. Write two advantages of this measure.
EASY
What is the industrial source of CNG?