Which one of the following will produce permanent hardness in water ? a) Sodium sulphate b) Calcium carbonate

Question

Which one of the following will produce permanent hardness in water ? a) Sodium sulphate b) Calcium carbonate

Which one of the following will produce permanent hardness in water ?

a) Sodium sulphate

b) Calcium carbonate

c) Calcium sulphate

d) Magnesium carbonate

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

c) Calcium sulphate

5 views Answered 2023-02-05 15:29