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प्रश्न
Give a reason for the following.
Hard water is not good for washing utensils.
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उत्तर
Reason:
Hard water damages the utensils and containers in which it is stored and forms a hard layer.
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संबंधित प्रश्न
What causes the temporary and permanent hardness of water?
What do you understand by
Permanent hard water
What are the causes for
Permanent hardness
Name the substance which makes water temporarily hard
How will you distinguish between temporary hard water and permanent hard water?
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you distinguish between temporary hard water and permanent hard water?
State what are synthetic detergents. Explain experimentally how you will determine the advantage of synthetic detergents over soap using a sample of hard water.
Name or state the following:
A substance added to remove both temporary and permanent hardness in water.
Soap lathers well in hard water.
Which water is soft?
