Amalgam is an alloy containing:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Mercury
An amalgam is an alloy in which one of the metals is mercury. Dental amalgam, used to fill teeth, is mercury mixed with silver, tin and copper; sodium amalgam is used as a reducing agent in chemistry, and gold dissolves in mercury to form an amalgam, which is how gold was once separated from its ore.