1. Al2O3 ===========Ionic 2. SnO2 ===========Ionic 3. CO2 ===========Molecular 4. H2O ===========Molecular 5. Fe2O3 ===========Ionic 6. Li2O===========Ionic Solution 1. Al2O3 ===========Ionic 2. SnO2 ===========Ionic 3. CO2 ===========Molecular 4. H2O ===========Molecular 5. Fe2O3 ===========Ionic 6. Li2O===========Ionic.