JEE Main Chemistry question

Boric acid is not used:

(A)As an antiseptic
(B)As a flux in soldering
(C)In making optical glassesCorrect
(D)In making enamels and pottery glazes

Answer: (C)

Solution

Boric acid is a well-known mild antiseptic (boric lotion/eye wash), is used as a flux in soldering because it dissolves metal oxide films, and is used in the manufacture of enamels and pottery glazes. It is

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Question ID VK-138489