_____salt is used in developing films in photography. – McqOptions

MCQOPTIONS

1.	_____salt is used in developing films in photography.
A.	\[NaCl\]
B.	\[NaHC{{O}_{3}}\]
C.	\[AgN{{O}_{3}}\]
D.	\[CuS{{O}_{4}}\]
E.	None of these
Answer» D. \[CuS{{O}_{4}}\]

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