Chemistry
Grade-10
Easy

Question

Balance this equation:
Al2O3  Al + O2
 

  1. Cannot be balanced
  2. 2Al2O3 → 2Al + 3O2
  3. 2Al2O3  4Al + 3O2
     
  4. 3Al2O3  2Al + O2

hintHint:

aluminum + oxygen ⟶ aluminum oxide

The correct answer is: 2Al2O3  4Al + 3O2
 


    2Al2O3 → 4Al + 3O2

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