Analysis of bond types in a series of compounds.

Add about 0.25g of solid B to 5 cm³ of the distilled water with great care.  Measure the pH of the solution and save the solution for test 4.

4.        To half the solution from 3 add sodium hydroxide dropwise till excess.

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5.        Add about 0.5g of solid C to 5 cm³ of distilled water and measure the pH of the solution.  Save the solution for test 6.

6.        Add sodium hydroxide dropwise to the solution from 5 until in excess

7.        Heat about 0.5g of solid A in a dry ignition tube.

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8.        This reaction should be carried out in a fume cupboard.

        Heat about 0.25g of solid B in a dry ignition tube.

9.        Heat about 0.5g of solid C in a dry ignition tube and test the gas evolved with damp litmus paper.

Conclusion

Order of the elements in the Periodic Table (in increasing Atomic Number order)

Na        Mg        Al