Question 15
Your teacher demonstrates the reactions of calcium, copper, magnesium and zinc strips with dilute hydrochloric acid. The acid is added into each test tube up to a depth of 4 cm. The metal strips are then dropped into their respective test tubes. Observe the reactions as your teacher carries out the experiment. Record your observations in the table below.
| Metal | Observation |
|---|---|
| calcium | |
| copper | |
| magnesium | |
| zinc | |
| Metal | Observation |
|---|---|
| calcium | |
| copper | |
| magnesium | |
| zinc | |
