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प्रश्न
The alcohol used in thermometers is _______.
(A) methanol
(B) ethanol
(C) propanol
(D) butanol
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उत्तर
(B) ethanol
Ethanol is used in thermometers as it has low freezing point.
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\[\begin{array}{cc}
\phantom{...............}\ce{CH3}\\
\phantom{.............}|\\
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