Hydrogen Sulphide gas was bubbled into two solutions of metallic nitrates as shown in the flow diagram below
![Chemf4et1p1q6](https://www.easyelimu.com/images/form_4_past_papers/Form4_EndTerm1_2021/chemi_paper_1_2_3/Chemf4et1p1q6.JPG)
- Identify the black solid C
- Write an ionic equation for the formation of the green solution
- State the property of Hydrogen Sulphide shown by the formation of solution D