Classify the following oxides into acidic, basic, amphoteric and neutral categories. a. Al2O3
b. NO
c. ZnO
d. SO2
e. CuO
g. N2O

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point