GK
BASIC GENERAL KNOWLEDGE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Zinc
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Silver
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Copper
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Aluminium
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Detailed explanation-1: -Silver salts are highly sensitive to light. Silver and other different halogens form different salts of silver. Mainly this is used for providing color to the photographic films.
Detailed explanation-2: -Explanation. light sensitivities of the silver halides: AgBr > AgCl > AgI.
Detailed explanation-3: -Examples of metal salts include iron sulfate, copper chloride, and calcium lactate.
Detailed explanation-4: -Is salt a metal? No, although most salts do contain one or more metallic elements. In chemistry terms, a salt is often denoted as the product of an acid-base reaction. Sodium chloride, for example, is a product of the reaction between hydrochloric acid (a strong acid) and sodium hydroxide (a strong base).