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denis23 [38]
2 years ago
5

The colourless coating on a photographic film contains a chemical substance which reacts upon exposure to light, causing the fil

m to darken. Which of the following substances is present in the darkened parts of the film?
A. Bromine

C. Silver

B. Carbon

D. Silver bromide​
Chemistry
1 answer:
zmey [24]2 years ago
5 0

Answer:

D. Silver bromide​

Explanation:

Silver bromide (AgBr) is used in photographic films because silver bromide is light sensitive.

Silver bromide (AgBr) is a colorless coating on a photographic film that decomposes and converted to elemental silver when exposed to the light and causes the film to darken.

Hence, the correct answer is "D. Silver bromide​".

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