GK
BASIC GENERAL KNOWLEDGE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Amalgams are
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alloys which contain mercury as one of the contents
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highly coloured alloys
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alloys which contain carbon
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alloys which have great resistance to abrasion
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Explanation:
Detailed explanation-1: -amalgam, alloy of mercury and one or more other metals. Amalgams are crystalline in structure, except for those with a high mercury content, which are liquid. Known since early times, they were mentioned by Pliny the Elder in the 1st century ad.
Detailed explanation-2: -Dental amalgam is a mixture of metals, consisting of liquid (elemental) mercury and a powdered alloy composed of silver, tin, and copper.
Detailed explanation-3: -Any metal which gets alloyed by mercury is called amalgam. For example-Gold-mercury amalgam, Silver-mercury amalgam etc.
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