Question 48
Tick (✓) the correct column to classify each reaction and process as exothermic or endothermic.
| Description | Exothermic | Endothermic |
|---|---|---|
| When cement and water were mixed, the mixture gave off heat. | | |
| Potassium chloride dissolved in water and the temperature of the mixture dropped to 15°C. | | |
| Ice melted into water. | | |
| Yeast was mixed with sugar water and the beaker felt warmer. | | |
| Description | Exothermic | Endothermic |
|---|---|---|
| When cement and water were mixed, the mixture gave off heat. | | |
| Potassium chloride dissolved in water and the temperature of the mixture dropped to 15°C. | | |
| Ice melted into water. | | |
| Yeast was mixed with sugar water and the beaker felt warmer. | | |
