Chemistry · Metals and Non-metals
Consider the following statements regarding metal oxides: 1. Metals combine with oxygen to form metal oxides. 2. All metal oxides turn red litmus blue. 3. Sodium oxide and potassium oxide do not dissolve in water. 4. Aluminium oxide is an amphoteric oxide. Which of the statements given above are incorrect?
- 12 and 3✓
- 21 and 4
- 33 and 4
- 41 and 2
Correct answer
2 and 3
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