Consider the following statements and select the correct statement(s).
I. Water can never be boiled without heating.
II. Water can be boiled below room temperature by lowering the pressure.
III. On releasing the excess pressure water refreezes into ice.
(correct answer + 1, wrong answer - 0.25)

II and III

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I only

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II only

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I and II

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Solution

The correct option is A II and III
II and III
Water can be boiled below room temperature by lowering the air pressure. At higher pressure water will take longer time to reach the lower temperature so on releasing the excess pressure water refreezes into ice.

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Consider the following statements and select the correct statement(s). I. Water can never be boiled without heating. II. Water can be boiled below room temperature by lowering the pressure. III. On releasing the excess pressure water refreezes into ice. (correct answer + 1, wrong answer - 0.25)

The correct option is A II and IIIII and III Water can be boiled below room temperature by lowering the air pressure. At higher pressure water will take longer time to reach the lower temperature so on releasing the excess pressure water refreezes into ice.

Consider the following statements and select the correct statement(s).
I. Water can never be boiled without heating.
II. Water can be boiled below room temperature by lowering the pressure.
III. On releasing the excess pressure water refreezes into ice.
(correct answer + 1, wrong answer - 0.25)

The correct option is A II and III
II and III
Water can be boiled below room temperature by lowering the air pressure. At higher pressure water will take longer time to reach the lower temperature so on releasing the excess pressure water refreezes into ice.