Question

write the chemical reaction helpful in the black and white photography​

Answer 1

$\huge\star\underline {\mathtt \orange{❥A} \mathfrak\blue{n}\mathfrak\blue{s} \mathbb\purple{ w}\mathtt\orange{e} \mathbb\pink{r}}\star\:$

The reactions used in black and white photography are decomposition reactions

Answer 2

Answer:

$\huge \ \star \underline \red{heya \: mate}$

Explanation:

Photography. One example of a photochemical reaction is the use of silver halide salts (eg silver chloride) in black and white photography. Silver chloride is sensitive to light and breaks down to form metallic silver, which appears black. This is because the silver ions , Ag +, become silver atoms , Ag.