Q: Which one of the following sodium compounds is used for softening hard water?
(a)Na2CO3
(b)NaHCO3
(c)NaOH
(d)Na2SO4
Correct Answer: (b)
Detailed explanation coming soon.
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CDS 2021 Session IQ. 115 of 120
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Q: Which one of the following sodium compounds is used for softening hard water?
Correct Answer: (b)
Detailed explanation coming soon.