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Q.

Boric acid is prepared from the borax by the action of ___?

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a

HCl

b

NaOH

c

CO2

d

Na2CO3

answer is A.

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Detailed Solution

Following is the preparation process.

$N a_{2} B_{4} O_{7} + 5 H_{2} O + 2 H C l \to 2 N a C l + 4 H_{3} B O_{3}$

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Boric acid is prepared from the borax by the action of ___?