An aqueous solution of hydrogen chloride can be prepared as shown in the diagram below.
![Preparation of aqueous solution of hydrogen chloride](https://www.easyelimu.com/images/form_4_past_papers/Term_3_2021/Mocks_/Chemistry/Preparation_of_aqueous_solution_of_hydrogen_chloride.JPG)
- Give two reasons for using an inverted funnel.
- Few drops of Lead (II) nitrate solution were added to 4cm3 of the solution obtained above, followed by excess aqueous ammonia. Explain the observation made.