Boiling hard water with washing soda removes permanent hardness.

True

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False

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Solution

The correct option is A True
Boiling hard water with washing soda removes permanent hardness which removes ${C a}^{2 +}$ or ${M g}^{2 +}$ ions in a precipitation reaction.

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Similar questions

Q. Washing soda helps in removing the permanent hardness of water.

Q. Assertion :Permanent hardness of water can be removed by using washing soda Reason: Washing soda reacts with soluble calcium and magnesium chlorides and sulphates in hard water to form insoluble carbonates

Both temporary and permanent hardness in water can be removed by the addition of washing soda. Which of the following reactions represents the removal of permanent hardness in water?

Assertion (A): Permanent hardness of water is removed by treatment with washing soda.
Reason(R): Washing soda reacts with soluble magnesium and calcium sulphate to form water-soluble compounds.

Q. Assertion (A): Permanent hardness of water is removed by treatment with washing soda.
Reason(R): Washing soda reacts with soluble magnesium and calcium sulphate to form insoluble compounds.

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Boiling hard water with washing soda removes permanent hardness.

The correct option is A TrueBoiling hard water with washing soda removes permanent hardness which removes Ca2+ or Mg2+ ions in a precipitation reaction.

The correct option is A True
Boiling hard water with washing soda removes permanent hardness which removes ${C a}^{2 +}$ or ${M g}^{2 +}$ ions in a precipitation reaction.