you are provided with Mg ribbon and sulphur powder. Explain with the help of an activity that metal oxides are basic and non metal oxides are acidic in nature.
Answers
Answer:To test the nature of oxides formed by metals and non-metals. Materials Required: Sulphur powder, Mg ribbon, water, blue litmus paper, red litmus paper. Procedure: 1.Take magnesium ribbon with a pair of tongs and burn it in flame in the presence of air. 2.Collect the product formed and dissolve it in warm water. 3.Add red litmus paper into it. 4.Observe the change in colour and decide the nature of the oxide formed. 5.Burn sulphur in a deflagrating spoon in the presence of air and dissolve the oxide formed in water. 6.Dip blue litmus paper into the solution and observe the changein the colour and decide the nature of the oxide formed. Observation: The oxide formed by metal turns red litmus blue whereas oxide of non-metal turns blue litmus red.
Conclusion: Most of the metallic oxides are basic in nature whereas most of the non-metallic oxides are acidic in nature.
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