General Knowledge - General Science - Discussion
Discussion Forum : General Science - Elements and Metals (Q.No. 47)
47.
Permanent hardness of water can be removed by adding
Discussion:
19 comments Page 2 of 2.
Raj said:
1 decade ago
Potassium permanganate is used for permanent removal of water hardness.
AAKASH PATHAK said:
1 decade ago
Washing soda is a sodium carbonate its formula is the NA2CO3.
Siddharth pandey said:
1 decade ago
But how it can remove the permanent hardness of water ?
Elue above said:
7 years ago
Ion exchange doesn't remove permanent hardness @Sandy.
Manojit muhuri said:
8 years ago
What is hardness of water please any one can explain?
Abc said:
9 years ago
What is meant by the permanent hardness of water?
Ganesh said:
6 years ago
Adding alum is correct or not? Please tell me.
Akhila said:
7 years ago
Why adding by removing the hardness of water?
(1)
Pooja said:
1 decade ago
I am not getting your point. Please explain.
(1)
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