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Question

Which among the following alloys contain mercury as one of its constituents?


A

Stainless steel

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B

Alnico

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C

Solder

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D

Zinc amalgam

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Solution

The correct option is D

Zinc amalgam


The explanation for correct option

(D)Zinc amalgam

Alloys

  • Alloys are referred to as a blend of metals or metals combined with other elements.
  • Properties of metals can be enhanced by the addition of certain metals or elements.

Zinc amalgam

  • Zinc amalgam is an alloy of zinc used in simple voltaic cells.
  • Zinc amalgam is an alloy of mercury with zinc.
  • It is an alloy of zinc 90%and mercury10%.

The explanation for incorrect option

  • Stainless steel is an alloy of iron, chromium, and nickel.
  • Alnico is an iron alloy that in addition to iron is composed primarily of aluminum, nickel, and cobalt.
  • Solder is a mixture of 63% tin and 37%lead.

Mercury is one of its constituents present in zinc amalgam. Hence, options (A), (B), and (C) are incorrect.


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