$25\,\text{cm}^3$ of an alkali are mixed with $20\,\text{cm}^3$ of an acid, and the temperature change is recorded. Which piece of apparatus is not required for this experiment?
- A$25\,\text{cm}^3$ measuring cylinder
- B$100\,\text{cm}^3$ beaker
- Cbalance
- Dthermometer