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In cold countries, ethylene glycol is added to water radiators of cars during winter. Why?

Answer:

This causes lowering in freezing point of water and therefore water does not freeze in radiators.
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    Ethanol is an organic compound, yet it is freely miscible with water. Why?
    Answer
    Mention two biological phenomena regulated by osmosis in plants and animals.
    Answer
    10 mL of a liquid A was mixed with 10 mL of liquid B. The volume of resulting solution was found to be 19.9 mL. What do you conclude?
    Answer
    What happens if pressure greater than osmotic pressure is applied on the solution separated by a semi-permeable membrane from the solvent?
    Answer
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