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Match the following
Column - I Column - II
A) $NaOH + HCl$ 1) Blue litmus to red
B) Base 2) Red litmus to blue
C) $2 Na + 2 HCl$ 3) $2 NaCl + H_{2} ↑$
D) Acid 4) $NaCl + H_{2} O$
A B C D
(1) 4 3 2 1
(2) 4 2 3 1
(3) 1 2 3 4
(4) 1 3 2 4

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answer is B.

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Detailed Solution

$NaOH + HCl \to NaCl + H_{2} O Na + HCl \to NaCl + H_{2}$

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