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Q.

Statement I: 35% (v/v) solution of ethylene glycol, an antifreeze, is used in cars for cooling the engine.
Statement II: At this concentration the antifreeze lowers the freezing point of water to 255.4K (–17.6°C).

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a

Statement I incorrect and Statement II correct

b

Statement I correct and Statement II incorrect

c

Statement I incorrect and Statement II incorrect

d

Statement I  and statement II  both are correct  and statement II correct explanation of Statement I

answer is A.

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Detailed Solution

35% (v/v) solution of ethylene glycol, an antifreeze, is used in cars for cooling the engine. At this concentration the antifreeze lowers the freezing point of water to 255.4K (–17.6°C).

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