The product not obtained from coal is

  • coke

  • coal tar

  • coal gas

  • petroleum


D.

petroleum

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The energy stroed in the fossil fuels is :

  • heat energy

  • electrical energy

  • chemical energy

  • mechanical energy


C.

chemical energy

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The greenhouse effect is due to an excessive emission of

  • oxides of sulphur

  • oxides of nitrogen

  • carbon dioxide

  • oxides of carbon


C.

carbon dioxide

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The major constituents of coal gas are

  • carbon monoxide, hydrogen

  • methane + hydrogen

  • methane

  • carbon monoxide + methane


B.

methane + hydrogen

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The major constituent of natural gas is/are

  • butane

  • methane

  • methane + hydrogen

  • ethane


B.

methane

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