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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 di- oxide in exhaust fumes

B

To increase efficiency of automobile engines

C

To use sulphur removed from petroleum for commercial purposes

D

To increase the life spari of engine si- lencers

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The correct Answer is:
a
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TRUEMEN BIOLOGY ENGLISH-NCERT Exemplar Questions +2 (ENVIRONMENTAL ISSUES )-MCQs
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  6. The expanded form of DDT is

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  7. Which of the following materials takes the longest time for biodegrada...

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  8. Choose the incorrect statement.

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  10. The green scum seen in the freshwater bodies is

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  11. The loudness of a sound that a person can withstand without discomfort...

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  12. The major source of noise pollution, world wide is due to:

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

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

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  15. Which one of the following impurities is easiest to remove from wastew...

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

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

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

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