Testing for Positive Ions
- To identify unknown substances we have a variety of different tests which can help us distinguish one substance from another.
- Flame Tests : Identifying some of the metals in Group 1 and 2 of the Periodic Table is made easier because most of them make flames with a characteristic colour.
- How to do a flame test :
- Put a small amount of the compound to be tested in a platinum wire loop which has been dipped in concentrated HCL.
- Hold the loop in the naked flame of the bunsen burner.
- Use the…