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Hardness of Water:Causes, Types and Treatments

Question

Chemically calgon is:
sodium sulphate
alkyl sulphonic acid
sodium hexa meta phosphate
sodium aluminosilicate

A

alkyl sulphonic acid

B

sodium aluminosilicate

C

sodium sulphate

D

sodium hexa meta phosphate

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Solution

Verified by Toppr

Calgon is a trade name of a complex salt, sodium hexametaphosphate $(N a P O_{3})_{6}$ .

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