A student carried out an investigation into the hydrolysis of lipid in high-fat milk, using the enzyme lipase. • $1\ \text{cm}^3$ of enzyme solution was added to $10\ \text{cm}^3$ of high-fat milk. • The temperature was maintained at a constant value. • The pH of the reaction mixture was measured at time $0$ minutes and then at 1-minute intervals for $20$ minutes. Which statements describe the results that would be expected for this investigation?
- A1, 2 and 3
- B1 and 2 only
- C1 and 3 only
- D2 and 3 only