Answers

2016-04-11T19:14:10+05:30
When silver bromide kept in sunlight it forms silver+ bromide.this is called a type of decomposition reaction. This decomposition is used in black and white photography.

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2016-04-12T18:50:58+05:30
AgBr→Ag₂+Br₂   This is chemical decomposition  this decomposition reaction is also called photo chemical reactions   AgBr converts into grey colour
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