Sample Data Closure Discussion Makeup ans. Key Words Description Two seemingly identical sets of chemicals are provided for student study.
Students observe systematically the results of combining the chemicals.
When sharing the results with an entire class, debate regarding the differences in observations often ensues. Go to Top Hazards 1 M HCl is corrosive. Lead nitrate is toxic. Go to Top Precautions Avoid ingestion of or contact with the chemicals. Place an acetate sheet over the viewing matrix.