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Types of Glass and Its Uses

Which of the ...

Question

Which of the substance is present in the photochromatic glass?

A

PbO

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B

C r_{2} O_{3}

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C

Borax

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D

Silver bromide

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Solution

The correct option is D Silver bromide
Photochromatic glasses are generally made up of glass containing small crystals of silver halides like ( $A g B r$ ) that darkens when exposed to light.

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Similar questions

Q. Assertion :Silver bromide is used in photography. Reason: Silver bromide is used in photography because silver bromide is photosensitive. It decomposes and is converted into metallic silver grains when light is incident on it.

Q. Calculate simultaneous solubility of silver thiocyanate

(A g S C N)

and silver bromide

(A g B r)

in water respectively.
Given that

K_{s p}

of silver thiocyanate =

10^{- 12}

K_{s p}

of silver bromide

= 5 \times 10^{- 13}

Q. The automatic darkening of photochromatic glass is because of the presence of:

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Q. Silver bromide, a chemical used in photography, is found in:

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Types of Glass and Its Uses

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