CHEM Test 8 (10th) 21-22

Carbonic anhydride

• CO

• CO₂

• CO₃

What chemical species is Al₂O₃ ?

• Metallic oxide

• Non-metallic oxide

• None of the above

What chemical species is H₂O ?

• Metallic oxide

• Non-metallic oxide

• None of the above

What chemical species is SO₂ ?

• Metallic oxide

• Non-metallic oxide

• None of the above

What chemical species is PbO₂ ?

• Metallic oxide

• Non-metallic oxide

• None of the above

What chemical species is H₂SO₄ ?

• Metallic oxide

• Non-metallic oxide

• None of the above

Carbonous anhydride

• CO

• CO₂

• None of the above

Potassium oxide

• KO

• K₂O

• KO₂

BeO

• Boron oxide

• Beryllium oxide

• Barium oxide

Non-metallic oxides are called

• Acids

• Bases

• Anhydrides