Coal, petroleum and natural gas are called ______ fuels.

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Coal, petroleum and natural gas are called Fossil fuels.

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Chapter 22: Environmental Management - Evaluation [Page 326]

Chapter 22 Environmental Management
Evaluation | Q I. 6. | Page 326

______ is the most commonly used fuel for the production of electricity.

Why fossil fuels are to be conserved?

Dead organisms are transformed into petroleum and natural gas in:

Which of the following problem is associated with the burning of coal?

Assertion: Fuel has to be burnt to obtain heat energy.

Reason: The minimum temperature to which a fuel must be heated so that it may catch fire and start burning is known as ignition temperature.

Assertion: Coke is a better fuel than coal.

Reason: Burning of coke causes air pollution.

Which of the following is not a fossil fuel?

Acid rain happens because

Fuel used in thermal power plants is

What steps would you suggest to minimise environmental pollution caused by burning of fossil fuels?