Hard water contain
ACalcium
BMagnesium bicarbonates
CMagnesium bicarbonates
DAll the above
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The principle of working from whole to part is adopted in surveying because:
Ships get shelter and protection against destructive forces due to sea waves in:
A public company may issue securities by :
The line of collimation should be parallel to
Least count of a metric leveling staff is :