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The water potential of pure water at standard temperature is equal to
(a) 10
(b) 20
(c) Zero
(d) None of these

Answers (1)

When a solute is added to the system, some water molecules get bound to the solute particles. The kinetic energy of the water molecules reduces, and the concentration of free water molecules also decreases. The water potential is lowered. In pure water, there are no dissolved solutes. The water potential of pure water and the standard temperature is zero. The answer is option (c) Zero. 

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