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CBSE Class 10 Answered

What is the relationship between black and white photography and decomposition of silver chloride
Asked by saradamahapatra9999 | 31 Mar, 2020, 10:49: AM
answered-by-expert Expert Answer

Silver chloride when kept in the sun decomposes to form silver and chlorine gas.

The white silver chloride powder turns grey due to the formation of silver and with the release of chlorine gas.

 

Similarly, silver bromide also undergoes decomposition to give silver with the release of bromine gas when exposed to air.

 

Since the reactions are sensitive to light they are used in black and white photography.

Answered by Ramandeep | 31 Mar, 2020, 11:50: AM

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