In amalgams, one of the constituent metals is essentially:
A
Hg
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B
Ag
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C
Au
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D
Pt
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Solution
The correct option is AHg An amalgam is an alloy of mercury with one or more other metals. Almost all metals can form amalgams with mercury. Silver-mercury amalgams are important in dentistry, and gold-mercury amalgam is used in the extraction of gold from ore.