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Mention one use of CNG. Discuss one each of the harmful effects of methanol and ethanol. [1+2]
WBBSE
Class X
Physical Science
Organic Chemistry
03 Mark
2025
Answer
Use of CNG
- Compressed Natural Gas (CNG) is used as a clean fuel in automobiles because it produces less air pollution.
Harmful Effects
(i) Methanol: (a) Highly poisonous. (b) Consumption may cause blindness or even death.
(ii) Ethanol: (a) Excessive consumption affects the brain and liver. (b) It can lead to addiction and impaired judgment.
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