Temporary hardness is due to the presence of :
AMagnesium. sulphates
BCalcium chlorides
CCalcium nitrates
DMagnesium bicarbonates
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The desirable limit of chloride content as per BIS standards in water for domestic supplies should not exceed:
Which one of the following processes of water softening requires recarbonation?
Minimum D.O prescribed for a river stream, to avoid fish kill is:
The maximum permissible chlorine contents for public supplies should be between:
If the methyl orange alkalinity of water equals or exceed total hardness, all of the hardness is