Multiple choice

Students were told about displacement reactions. Then, they were asked why copper cannot displace zinc from its salt solution. The correct reasoning is that

  1. zinc is more reactive

  2. copper is more reactive

  3. oxygen interferes with the reaction

  4. more heating was needed.

  5. a wrong catalyst was added
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Zinc is more reactive. A less reactive metal cannot replace a more reactive metal.

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