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O Level Chemistry Study App Download - Valency and Chemical Formula Apps (iOS & Android)

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Valency and Chemical Formula MCQs App Download & e-Book - 617

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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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Valency and Chemical Formula Apps (Android & iOS)

Valency and Chemical Formula App

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