Питання 28 з 40 · Аnalytical chemistry

An alkali was added into the solution being analyzed. When heated, the solution produced a gas. This gas changes the color of a moist litmus paper from presence of the following ions in the solution:

1. A CO3
2. B NH4
3. C Bi3
4. D Pb2
5. E Cl

Правильна відповідь: B. NH4