Boric acid is NOT used in which of the follow | vedclass

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(C) Boric acid $(H_3BO_3)$ is widely used as a mild antiseptic for eyes and as a flux in soldering metals. It is also used in the manufacture of heat-

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In the manufacture of optical glass

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(C) Boric acid $(H_3BO_3)$ is widely used as a mild antiseptic for eyes and as a flux in soldering metals. It is also used in the manufacture of heat-resistant borosilicate glass (Pyrex),glass wool,and fiberglass. It is used in the manufacture of enamels and pottery glazes. However,it is not used in the manufacture of optical glass; rather,specific borosilicate glasses are used for optical purposes,but boric acid itself is not a primary component for optical glass manufacturing in the context of standard chemistry curriculum applications.

Boric acid is $NOT$ used in which of the following?

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