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

 Solution  I   II  III  IV
 pH 2 7  11  14 

Which solution is likely to be that of: 

  1. Calcium hydroxide
  2. Sodium chloride
  3. Potassium hydroxide

1 Answer

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  1. III
  2. II
  3. IV
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