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JAMB Chemistry 1994 Question 27

Question 27

Acids, Bases and Salts

An anhydride is an oxide of a non-metal

  1. A.which will not dissolve in water
  2. B.whose solution in water has a pH greater than 7
  3. C.whose solution in water has a pH less than 7
  4. D.whose solution in water has a pH of 7
Show the answer and explanation

Answer: C (whose solution in water has a pH less than 7)

Explanation

An acid anhydride, like SO2 or CO2, dissolves in water to form an acid, so its solution has a pH below 7.