MCQ
Select the correct statement
- APhotography is based upon photosensitivity of silver halide mainly $AgBr$
- BSodium thiosulphate is used to remove the unexposed $AgBr$ from photographic film
- C$AuCl_3$ is used in toning
- ✓All are correct
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$X\xrightarrow[{\left( 2 \right)\,{H_2}O}]{{\left( 1 \right)\,LiAl{H_4}}}P$
$Y\xrightarrow[{\left( 2 \right)\,{H_2}O}]{{\left( 1 \right)\,LiAl{H_4}}}Q$
Incorrect statement for $X, Y, P$ and $Q$ is