Cambridge Secondary (7-9). Stage 7. MCE Science. Student Book - Unit 9: Chemical Reactions - Question 68

In some chemical reactions, gases are produced. We can carry out tests to identify the gases.

Complete the table.

| Chemical reaction | Gas produced | Test for gas |
|:-|:-|:-|
| Dilute nitric acid reacting with calcium carbonate | | |
| Zinc reacting with dilute hydrochloric acid | | |
| Hydrogen peroxide decomposing | | |