Hardness of water is due to

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 deflection angle may have any value between

The kiln which may work throughout the year is:

Diameter of a rivet hole is made larger than the diameter of the rivet by

If the whole circle bearing of a line is 270°, its reduced bearing is

Unit of live load is