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O Level Chemistry MCQs – Certification Test 617

Valency and Chemical Formula Trivia (Question 617) – Study App & e-Book Download

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MCQ 617: Formula K2SO4 indicates that:

  1. 2 ions of Kalium are combined with 4 molecules of oxygen
  2. 2 ions of Kalium are combined with 1 sulfate ion
  3. 2 ions of potassium are combined with one sulfur and 4 oxygen molecules
  4. 1 ion of potassium is combined with 1 sulfate ion
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