Chemistry · Qualitative Inorganic Analysis
To an aqueous solution containing ions such as Al3+, Zn2+, Ca2+, Fe3+, Ni2+, Ba2+ and Cu2+, concentrated HCl was added, followed by passing H2S gas. The total number of cations precipitated during this reaction is/are:
- 11✓
- 23
- 34
- 42
Correct answer
1
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