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Natural was formed millions of years ago...

Natural was formed millions of years ago along with petroleum when microscopic sea plants and animals died and got buried under the sand and mud. These plants & animals under anaerobic conditions changed to gas. Natural gas consist mainly of methane (about 85%), ethane (about 10%) propane (about 3%) and butane. Read the below questions and try to answer them.
Why CNG being used as fuel for transportation?

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CNG is being used as a fuel for transport because it is less polluting.
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  1. Petroleum is a complex mixture of solid liquid and gaseous hydrocarbon...

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  2. Petroleum is a complex mixture of solid liquid and gaseous hydrocarbon...

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  3. Natural was formed millions of years ago along with petroleum when mic...

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  4. Natural was formed millions of years ago along with petroleum when mic...

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  5. Natural was formed millions of years ago along with petroleum when mic...

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  6. Natural was formed millions of years ago along with petroleum when mic...

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  7. What do you understand by calorific value of a fuel?

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  8. Give two characteristics features of an ideal fuel.

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  9. Can we use all our natural resources forever?

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  10. Can air, water and soil be exhausted by human activities?

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  11. Is water a limit less source?

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  12. Name the petroleum product used for surfacing of roads.

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  13. Explain why fossil fuels are exhaustible natural resources

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  14. Assertion: Anthracite is the purest form of coal. Reason: It contain...

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  15. Assertion : CNG and LPG are clean fuels. Reason : They do not leave...

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  16. Assertion : Petrol is more volatile than diesel oil. Reason : Petrol...

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  17. Assertion: Charcoal does not produce any smoke. Reason: Charcoal con...

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  18. Assertion : Kerosene is a fossil fuel. Reason : Kerosene is not obt...

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  19. Give reasons for each of the following: A foul smelling chemical is ...

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  20. Give reasons for each of the following: Coal, petroleum and natural ...

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