Multiple choice general knowledge sports

Three of the following four are alike in a certain way so form a group which is one that does not belong to the group

  1. copper

  2. mercury

  3. iron

  4. zink
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Mercury is the only liquid metal at room temperature, while copper, iron, and zinc are solid metals. This physical state difference makes mercury the odd one out. Note: the question has a typo - 'zink' should be 'zinc'.

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