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प्रश्न
Name the substance which makes water temporarily hard
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उत्तर
Hydrogen carbonates of calcium and magnesium
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संबंधित प्रश्न
What do you understand by
Permanent hard water
What are the causes for:
Temporary hardness
Name the substance which makes water permanently 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 remove temporary hardness and permanent hardness from water using a chemical compound?
Select the correct answer from the choice given in the options.
A substance which causes hardness in water _____.
Give a reason for the following.
Hard water is not good for washing utensils.
The pleasant taste of drinking water is due to the presence of a dissolved substance which includes air, CO2, and minerals.
What is soft water?
1000 g aqueous solution of CaCO3 contains 10 g of calcium carbonate. Concentration of the solution is ______.
