Three of the following form a group based on an attribute. Find the one which…

2016

Three of the following form a group based on an attribute. Find the one which has a different attribute.

  1. A.

    Copper

  2. B.

    Silver

  3. C.

    Aluminium

  4. D.

    Brass

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Show answer & explanation

Correct answer: D

Silver: a chemical element (pure metal).

Aluminium: a chemical element (pure metal).

Brass: an alloy (primarily copper mixed with zinc), not a single element.

Therefore, because brass is an alloy and the others are elemental metals, brass is the different one.

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