[" Some salts although containing two different "],[" metallic elements give test for one of them in "],[" solution,such salts are :- "]

Some salts, although contain two different metal elements, give test for only one of them in solution, such salts are

What are Carbogen and smelling salt? Give one use of each of them.

Which ions can be tested in a solution of Mohr's salt?

Zinc pieces were placed in each of the four test tubes containing different salt solutions as shown below: In which cases will colour change be observed in solutions?