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Chemistry
5. Coal and Petroleum
Home · Class 8 · Chemistry · NCERT Science Exemplar · 5. Coal and Petroleum
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Q12 of 36 Page 24

Choose the correct statement from the following:

When natural gas is compressed under high pressure it is called CNG which is a clean fuel used in vehicles.

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10

Which of the following is not a constituent of petroleum?

11

Petroleum was formed from organisms:

13

You are provided with a mixture of petroleum and water. Can you suggest a method to separate the two?

14

What does CNG stand for and why is it considered to be a better fuel than petrol?

Questions · 36
5. Coal and Petroleum
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