Which one of the following is used in coating of photographic films-
फोटोग्राफिक फिल्म के आवरण में कौनसा पदार्थ काम में आता है
(A) AgBr
(B) MgCl2
(C) AICI:
PRINC
(9 Mg(OH)2
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Answer:
AgBr(silver halides) is used in coating photographic films.
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