Chemical Formulae and Equations Multiple Choice Questions and Answers 7 PDF Download

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MCQ on Chemical Formulae and Equations Test 7Quiz PDF Download

MCQ: Formula of Hydrogen Carbonate ion is

  1. HCO2
  2. HCO3
  3. HCO4
  4. H2CO3


MCQ: In Na2CO3.10H2O, percentage of oxygen is

  1. 0.1678
  2. 0.1608
  3. 0.1659
  4. 0.1684


MCQ: Formula of aluminum sulphate indicates that

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


MCQ: All of these ions have a valency of +2 except

  1. Pb
  2. Ca
  3. Zn
  4. NH4


MCQ: A water molecule will always contain

  1. 11% of oxygen and 89% of hydrogen
  2. 18% of oxygen and 88% of hydrogen
  3. 11.11% of oxygen and 88.89% of hydrogen
  4. 15% of oxygen