Substance that is light-sensitive and is used on photographic films is:
CuCl
CaF2
MgBr2
AgBr
A
CaF2
B
MgBr2
C
CuCl
D
AgBr
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Solution
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Silver bromide (AgBr) is light-sensitive and is used on photographic films. Silver bromide is the most sensitive silver halide to photo-reduction. Hence, it is used as the light-sensitive material in photographic films. 2AgBrlight−−→2Ag+Br2
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