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O Level Chemistry Cerification Guide: Certification Test 186

Chemical Symbols MCQs App & e-Book: MCQ 186

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MCQ: 186

The formula of aluminum sulfate indicates that for

  1. each ion of Al, two ions of sulphate are required
  2. each ion of Al, three ions of sulphate are required
  3. two ions of Al, 3 ions of sulphate are required
  4. two ions of Al, three ions of sulphate are required

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