1. Physical & Chemical Changes Lab

2. Observation Chart Step #ProcedureObservations 1 Add magnesium ribbon to a test tube of hydrochloric acid (HCl) 2Perform a hydrogen gas test 3 Dissolve copper (II) sulphate into a test tube of distilled water 4Add steel wool to the test tube 5Add sodium bicarbonate to acetic acid 6Add potassium iodide to lead (II) nitrate) Copy the following chart into your notebook (should be ½ page):

3. Discussion Questions 1. In which step(s) did a physical change take place? Explain. 2. In which step(s) did a chemical change take place? Explain.