Q20. The temporary hardness of water can be
eliminated by
(A) Adding bleaching powder
(B) Adding chlorine tablets
(C) Adding potash alum
(D) Boiling
Answers
Answered by
1
Answer:
A. By add bleaching powder you can remove temporary hardness of water
Answered by
0
Answer:
A by adding bleaching powder you can remove temporary hardness of water
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