21. Apart from mercury which other liquid is used in thermometers?
(A) Water
(B) Petrol
(C) Alcohol
(D) Milk
Answers
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Answer:
C :- Alcohol
Explanation:
C:- Alcohol
Correct answer
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The answer is (C) Alcohol.
The alcohol thermometer or spirit thermometer is an alternative to the mercury-in-glass thermometer and has similar functions.
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