Question

Which of the following salts are present in hard water.

Answer 1

Answer:

Hard water, water that contains salts of calcium and magnesium principally as bicarbonates, chlorides, and sulfates. Ferrous iron may also be present; oxidized to the ferric form, it appears as a reddish brown stain on washed fabrics and enameled surfaces.

hope this helps you

plz mark as brainliest answer

#rocket..

Answer 2

Answer:

Calcium and magnesium - bicarbonates, sulphates and chlorides