![]() ![]() A container (such as a beaker half filled with water) for the disposal of used splints will be needed at each workstation.Bunsen burners could be clamped at an angle if desired: this helps avoid contamination caused by dripping onto the mouth of the burner (but care is need in the direction of the flame). It is important not to let the splint start to burn too vigorously. Students hold a soaked splint in a blue Bunsen flame to reveal the flame colour.These should be immersed in the solution. There should also be as many pre-soaked splints as there are working groups. Each should be labelled with the name and symbol of the metal ion present, plus appropriate hazard warnings. Each ‘station’ around the laboratory should then consist of a boiling tube containing one of the above solutions, held in a test tube rack.Sets of boiling tubes should be up to half-filled with the solutions of the salts. ![]()
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