Both the temporary and the permanent hardness of water is removed on boiling with:

C a (O H)_{2}

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N a_{2} C O_{3}

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C a C O_{3}

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CaO

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Solution

The correct option is B $N a_{2} C O_{3}$
Washing soda reacts with soluble salts of calcium and magnesium in hard water to form insoluble carbonates.

$M_{a q}^{2 +} + N a_{2} C O_{3} \to M C O_{3} ↓ + 2 N a_{a q}^{+}$

(M - $C a^{2 +}$ / $M g^{2 +}$ )

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Q. Both temporary and permanent hardness is removed on boiling water with :-

Q. Both temporary and permanent hardness in water is removed by:

Both temporary and permanent hardness in water is removed by________.

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?

Temporary and permanent hardness of water can be removed by:-

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Both the temporary and the permanent hardness of water is removed on boiling with:

The correct option is B Na2CO3Washing soda reacts with soluble salts of calcium and magnesium in hard water to form insoluble carbonates. M2+aq+Na2CO3→MCO3↓+2Na+aq (M - Ca2+/ Mg2+)

The correct option is B $N a_{2} C O_{3}$
Washing soda reacts with soluble salts of calcium and magnesium in hard water to form insoluble carbonates.

$M_{a q}^{2 +} + N a_{2} C O_{3} \to M C O_{3} ↓ + 2 N a_{a q}^{+}$

(M - $C a^{2 +}$ / $M g^{2 +}$ )