Question 5
Angelique observes what happens when different solids are mixed with acid.
Look at her results.
| solid | temperature of acid at start in °C | temperature of acid after adding the solid in °C | gas produced? |
| --- | --- | --- | --- |
| **A** | 20 | 10 | no |
| **B** | 20 | 30 | no |
| **C** | 20 | 15 | yes |
| **D** | 20 | 25 | yes |
| **E** | 20 | 20 | no |
**(a)** Which solid does **not** react with acid?
Give **two** reasons for your answer.
solid ______
reason 1 ______
reason 2 ______
Look at her results.
| solid | temperature of acid at start in °C | temperature of acid after adding the solid in °C | gas produced? |
| --- | --- | --- | --- |
| **A** | 20 | 10 | no |
| **B** | 20 | 30 | no |
| **C** | 20 | 15 | yes |
| **D** | 20 | 25 | yes |
| **E** | 20 | 20 | no |
**(a)** Which solid does **not** react with acid?
Give **two** reasons for your answer.
solid ______
reason 1 ______
reason 2 ______
