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Why is it necessary to remove sulphur fr...

Why is it necessary to remove sulphur from petroleum products ?

A

To reduce the emission of sulphur dioxide in exhaust fumes

B

To increase effciency of automobiles engines

C

To use sulphur removed from petroleum for commercial purposes

D

To increase the life span of engine silencers

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Removal of sulphur from petrolium product (diese) reduces the emission of oxides of sulphur like `SO_(2) and SO_(3)` in the exthaust fumes.
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NCERT EXEMPLAR-ENVIRONMENTAL ISSUES -Environmental Issues
  1. Match correctly the following and choose the correct option. {:("Env...

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  2. Catalytic converters are fitted into automobiles to reduce emission of...

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  3. Why is it necessary to remove sulphur from petroleum products ?

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  4. Which one of the following impuritites is easiest to remove from waste...

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  5. Which one of the following diseases is not due to contamination of wat...

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  6. Nuisance growth of aquatic plants and bloom-forming algae in natural w...

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  7. Algal blooms impart a distinct colour to water due to

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  8. Match the items in column I and column II and choose the correct optio...

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  9. In the textbook you came acroos Three Mile Island and Chernobyl disast...

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  10. Use of lead- free petrol or diesel is recommended to reduce the pollot...

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  11. In which year was the Air (Prevention and Control of pollution) Act am...

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  12. Name the city in our country where the entire public road transport ru...

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  13. It is a common practice to undertake of the overhead water tanks. What...

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  14. What is cultural eutrophicetion?

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  15. List any two adverse effects of particulate matter on human health.

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  16. What is the raw material for polyblend?

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  17. Blends of polyblend and bitumen, when used, help to increase road life...

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  18. Mention any two example of plants used as wind breakers in the agricul...

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  19. Name an industry which can cause both air and thermal pollution and as...

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  20. What is an algal bloom ?

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