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Question
Some compounds turn dark when exposed to light. They are, therefore, used in photography. A metal used for making such compounds is:
Some compounds turn dark when exposed to light. They are, therefore, used in photography. A metal used for making such compounds is:
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Solution
The correct option is D silver
- A silver halide (or silver salt) is one of the chemical compounds that can form between the element silver and one of the halogens.
- Silver halides are used in photographic film and photographic paper, including graphic art film and paper, where silver halide crystals in gelatin are coated on to a film base, glass or paper substrate. The gelatin is a vital part of the emulsion as the protective colloid of appropriate physical and chemical properties.
- Hence option D is correct answer.
- A silver halide (or silver salt) is one of the chemical compounds that can form between the element silver and one of the halogens.
- Silver halides are used in photographic film and photographic paper, including graphic art film and paper, where silver halide crystals in gelatin are coated on to a film base, glass or paper substrate. The gelatin is a vital part of the emulsion as the protective colloid of appropriate physical and chemical properties.
- Hence option D is correct answer.
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