Which of the following is NOT true of a chemical change? 1.Chemical bonds are broken
2.The identity of a substance has changed.
3.The substance has only changed form or appearance
4.It can be indicated by the presence of bubbles or rust

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