List I | List II | ||
A. | Pb3O4 | I. | neutral |
B. | N2O | II. | Acidic |
C. | Mn2O7 | III. | Basic |
D. | Br2O3 | IV. | Mixed |
Predict the nature of oxides.
Choose the correct answer from the options given below:
List I | List II | ||
A. | H4P2O7 | I. | +1 |
B. | H4P2O6 | II. | +3 |
C. | H3PO2 | III. | +4 |
D. | H3PO3 | IV. | +5 |
Read the sentence and infer the writer's tone: "The politician's speech was filled with lofty promises and little substance, a performance repeated every election season."