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प्रश्न
Name or state the following:
A substance added to remove both temporary and permanent hardness in water.
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उत्तर
Washing soda (Na,CO3)
APPEARS IN
संबंधित प्रश्न
What do you understand by
Temporary hard water
What do you understand by
Permanent hard water
Name the substance which makes water temporarily hard
Name the substance which makes water permanently hard.
Explain with equation, what is noticed when permanent hard water is treated with
Slaked time
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 from water without using a chemical compound?
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 _____.
Soap lathers well in hard water.
Give a reason for the following.
Hard water is not good for washing utensils.
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.
What is soft water?
Which water is hard?
