Name the major constituent of natural gas.

One Line Answer

Methane is the major constituent of natural gas.

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Chapter 7: Energy Flow and Practices for Conservation of Resources - Exercise

Chapter 7 Energy Flow and Practices for Conservation of Resources
Exercise | Q 26

Why are fossil fuels classified as non-renewable source of energy?

A non-renewable source of energy is:

(a) wood
(b) alcohol
(c) hydrogen gas
(d) natural gas

Which gaseous fuel is being used increasingly in transport vehicles like cars and buses these days?

What are fossil fuels? Give three examples of fossil fuels.

Name the clean fuel which can be obtained from cow-dung.

Fill in the following blank with suitable word:

Tidal waves build up and recede ........... a day.

The constituent of biogas which makes it an excellent fuel is:

(a) butane
(b) methane
(c) propane
(d) ethane

Fill in the blank

_______is the coal with the highest percentage of coal.

Choose the correct answer.

Windmills have been used for many centuries in

Why is there a need to harness non-conventional sources of energy? Give two main reasons.