Challenger App

No.1 PSC Learning App

1M+ Downloads
Hardness of water is due to

ACa and Mg ions

BIron

CHeavy metals

DE-coli

Answer:

A. Ca and Mg ions


Related Questions:

The permissible tensile stress of High Yield Strength Deformed bar conforming to IS1139 in N/mm²
The ratio of width to length of an arrow head in dimensioning,
Total latitude of a point is positive if it lies
Francis turbine is
___________- is the 24th meeting of the conference of parties (COP) to the United Nations Framework Convention on Climate Change.