Match the following items in column I with the corresponding items in column II.
Column I
Column II
(i) $N a_{2} C O_{3} .10 H_{2} O$ (A) Portland cement ingredient
(ii) $M g (H C O_{3})_{2}$ (B) Castner Keller process
(iii) $N a O H$ (C) Solvay process
(iv) $C a_{3} A l_{2} O_{6}$ (D) Temporary hardness

(i) \to (C); (i i) \to (B); (i i i) \to (D); (i v) \to (A)

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(i) \to (C); (i i) \to (D); (i i i) \to (B); (i v) \to (A)

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(i) \to (D); (i i) \to (A); (i i i) \to (B); (i v) \to (C)

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(i) \to (B); (i i) \to (C); (i i i) \to (A); (i v) \to (D)

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Solution

The correct option is B $(i) \to (C); (i i) \to (D); (i i i) \to (B); (i v) \to (A)$
$N a_{2} C O_{3} . 10 H_{2} O \to$ Solvay process

$M g (H C O_{3})_{2} \to$ Temporary hardness as it is bicarbonate salt of Mg.

$N a O H \to$ Castner - Kellner method is used to produce $N a O H$ by electrolysis of aqueous $N a C l$ .

$C a_{3} A l_{2} O_{6} \to$ Portland cement component.

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	Column I		Column II
(i)	$N a_{2} C O_{3} .10 H_{2} O$	(A)	Portland cement ingredient
(ii)	$M g (H C O_{3})_{2}$	(B)	Castner Keller process
(iii)	$N a O H$	(C)	Solvay process
(iv)	$C a_{3} A l_{2} O_{6}$	(D)	Temporary hardness

Match the following items in column I with the corresponding items in column II.Column IColumn II(i)Na2CO3.10H2O(A)Portland cement ingredient(ii)Mg(HCO3)2(B)Castner Keller process(iii) NaOH(C)Solvay process(iv)Ca3Al2O6(D)Temporary hardness

The correct option is B (i)→(C);(ii)→(D);(iii)→(B);(iv)→(A)Na2CO3.10H2O→ Solvay processMg(HCO3)2→ Temporary hardness as it is bicarbonate salt of Mg.NaOH→ Castner - Kellner method is used to produce NaOH by electrolysis of aqueous NaCl.Ca3Al2O6→ Portland cement component.