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प्रश्न
What is the advantage of a detergent over soap?
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उत्तर
Detergents are more soluble in water than soap and are unaffected by the hardness of water as their calcium salts are soluble in water.
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संबंधित प्रश्न
Give two example of Solvent other than water.
Give reason for Table salt becomes moist during rainy season.
How is air dissolved in water different from ordinary air?
Explain why:
Ice at zero degrees centigrade has greater cooling effect than water at 0oC.
State the term: (Do not give examples)
A solution where solvent is a liquid other than water.
Explain why:
Lakes and rivers do not suddenly freeze in the winters.
Why does the hardness of water render it unfit for use in a boiler.
State why ‘Water is considered a universal solvent’. Give the reason for the same.
What insoluble substance? Give examples.
Aquatic plants make use of dissolved ______ for photosynthesis.
