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Question
Name or state the following:
A substance added to remove both temporary and permanent hardness in water.
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Solution
Washing soda (Na,CO3)
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RELATED QUESTIONS
What are the causes for:
Temporary hardness
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
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?
Both temporary & permanent hardness in water can be removed by addition of washing soda. Give balanced equations for the same.
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?
Which water is hard?
Which water is soft?
