[amp_mcq option1=”Zinc – Copper” option2=”Copper – Tin” option3=”Mercury – Zinc” option4=”Lead – Zinc” correct=”option3″]
The correct answer is (c). Mercury-zinc is an amalgam. An amalgam is an alloy of mercury with one or more other metals. Amalgams are used in a variety of applications, including dentistry, batteries, and electrical contacts.
Zinc-copper is a common alloy used in plumbing and other applications. Copper-tin is an alloy used in making bronze. Lead-zinc is an alloy used in making batteries.