What is a good fuel?

2

(a)

If you should use any source of energy for heating your food which one would you use and why?

2

(a)

What are the disadvantages of fossil fuels?

2

(a)

List four limitations of the energy-obtained from oceans.

2

(a)

Write three advantages of nuclear energy.

2

(a)

Can away source energy be pollution free? Why or why not?

2

(a)

Compare and contrast fossil fuels and the Sun as direct sources of energy.

2

(a)

On what basis would you classify energy sources as
(a) Renewable and non-renewable
(b) Exhausting and inexhaustible?

2

(a)

Energy can neither be created nor destroyed. Then why is there so must about energy crisis?

2

(a)

Describe the areas where acids are most likely expected?

2

(a)

What is biomass? What can be done to obtain bio-energy  using biomass?

2

(a)

What are the limitations in obtaining energy from wind?

2

(a)

List any four characteristics of biogas on account of which it is considered an ideal fuel

2

(a)

Define a 'nuclear fusion reaction'. Describe the conditions for the occurrence of a nuclear fusion reaction.

2

(a)

What is the cause of release of unusually large energies in nuclear fusion reactions?

2

(a)