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The table below shows the pH values of solutions I, II, and IV.

      

The table below shows the pH values of solutions I, II, and IV.
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a) Which solution is likely to be that of calcium hydroxide?
b) Select the solution in which a sample of aluminium oxide is likely to dissolve. Give a reason for your answer

  

Answers


John
a) Solution III

b) Solution I and IV: Aluminium oxide is amphoteric hence reacts with both strong acids and strong bases
johnmulu answered the question on April 21, 2017 at 08:45


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