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Question

The water potential of pure water is:

A
Zero
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B
Less than zero
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C
More than zero but less than one
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D
More than one
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Solution

The correct option is A Zero
Water potential is the difference in chemical potential of water in a system over its pure state at the same temperature and pressure.

The water potential of pure water is zero and that of the solution will be a negative value.

Water potential is represented by the sign Ψw.

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