Multiple choice

Which of the following compounds is also known as Philosopher’s wool?

  1. ZnO

  2. ZnS

  3. ZnCO<sub style="font-family:">3

  4. ZnSO<sub style="font-family:">4.7H<sub style="font-family:">2O

  5. ZnFe<sub style="font-family:">2O<sub style="font-family:">4
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A Correct answer
Explanation

The compound zinc oxide (ZnO) is called philosopher's wool.

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