Chemistry, asked by ayushmanpandey5364, 5 hours ago

1 point
22. Which of the following is unit of hardness of water?
O O
ppm
G/lite
O
CC
O
None of these​

Answers

Answered by santoshgupta9495
0

Hardness is usually expressed in terms of the equivalent quantity of calcium carbonate (CaCO3) in milligrams per litre or parts per million. You may also see hardness expressed as Degrees of hardness in Clark (English) degrees, French or German degrees.

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