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How is poisonous liquor that causes mass deaths described as being produced?

ABy boiling clean water at very high pressure
BBy mixing two harmless fruit juices together
CBy storing alcohol inside cold refrigerators
DBy performing the fermentation process in a wrong way
Answer & Solution
Correct answer: D. By performing the fermentation process in a wrong way
1. The text explains liquor comes from alcohol made by fermentation of substances. 2. If this fermentation is done in a wrong way, poisonous liquor results and proves fatal to many. 3. Option D states this cause correctly. 4. Boiling clean water is harmless and yields no liquor, so that option is ruled out. _Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 9 "Social Health", p.113_
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