Permanent hardness of water can be removed by adding ____.

Sodium carbonate

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Sodium bicarbonate

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Calcium sulphate

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Sodium chloride

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
Sodium carbonate

Water is considered as a universal solvent and is used in crystallization process as the solvent as most solutes dissolve in water.

Suggest Corrections

Similar questions

Q. Assertion (A): Hardness of water is removed by treatment with sodium carbonate.
Reason (R): Sodium carbonate reacts with soluble magnesium and calcium chloride to form water soluble compounds.

Q. The temporary hardness of water due to calcium bicarbonate can be removed by adding:

Hard water required for an experiment is not available in a school laboratory. However, following salts are available in the laboratory. Select the salts which may be dissolved in water to make it hard for the experiment

(1) Calcium Sulphate

(2) Sodium Sulphate

(3) Calcium Chloride

(4) Potassium Sulphate

(5) Sodium Hydrogen Carbonate

(6) Magnesium Chloride

Q. Hard water required for an experiment is not available in a school laboratory. However, the following salts are available in the laboratory. Select the salts which may be dissolved in water to make it hard for the experiment :

(1) calcium sulphate
(2) sodium sulphate
(3) calcium chloride
(4) potassium sulphate
(5) sodium hydrogen carbonate
(6) magnesium chloride

Write the formulae of the salts given below.

Potassium sulphate, sodium sulphate, calcium sulphate, magnesium sulphate, copper sulphate, sodium chloride, sodium nitrate, sodium carbonate and ammonium chloride.

Join BYJU'S Learning Program

Permanent hardness of water can be removed by adding ____.

The correct option is A Sodium carbonate Water is considered as a universal solvent and is used in crystallization process as the solvent as most solutes dissolve in water.

The correct option is A
Sodium carbonate

Water is considered as a universal solvent and is used in crystallization process as the solvent as most solutes dissolve in water.