If one of the following oxides is heated with hydrogen or carbon using a bunsen burner. it is not reduced to the metal, Which one is it?
- lead oxide
-
Magnesium oxide
- Copper oxide
- Tin oxide
The correct answer is: B
Explanation
The oxides of Potassium, Sodium, Calcium, and Magnesium are not reduced when they react with carbon and hydrogen.
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