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प्रश्न
Select the correct answer from the choice given in the options.
A substance which causes hardness in water _____.
पर्याय
NH4Cl
CaCl2
NaCl
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उत्तर
A substance which causes hardness in water CaCl2.
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संबंधित प्रश्न
What causes the temporary and permanent hardness of water?
What do you understand by
Temporary hard water
What do you understand by
Permanent hard water
What are the causes for
Permanent hardness
Name the substance which makes water temporarily hard
Name the substance which makes water permanently hard.
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you remove temporary hardness from water without using a chemical compound?
Name or state the following:
A substance added to remove both temporary and permanent hardness in water.
Soap lathers well in hard water.
Give a reason for the following.
Hard water is not good for washing utensils.
What are the causes of temporary hardness and permanent hardness of water?
Why does hard water not form lather with soap?
The pleasant taste of drinking water is due to the presence of a dissolved substance which includes air, CO2, and minerals.
