ACT NO. 10: Assay of Hardness of Water Flashcards
1
Q
Hardness in water is due to the presence of dissolved salts of _______ and ___________.
A
calcium and magnesium
2
Q
The total hardness of water is expressed as _________.
A
CaCO3
3
Q
Generally considered as unfit for drinking, bathing, washing, and in water heaters.
A
Hardness of water