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प्रश्न
Define isotonic solutions.
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उत्तर १
Two or more solutions exerting the same osmotic pressure are called isotonic solutions.
उत्तर २
When two solutions are separated by a semipermeable membrane and no osmosis occurs, i.e., there is no net flow of water on either side through the membrane, the solutions are said to be isotonic solutions. If the membrane is perfectly semipermeable, the two solutions possess the same osmotic pressure and are also referred to as iso-osmotic solutions.
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