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