Chemical Formulae and Equations Multiple Choice Questions 7 PDF Download

Learn chemical formulae and equations multiple choice questions (MCQs), O level chemistry test 7 for online course prep exams. Practice chemical symbols MCQs questions and answers on chemical symbols, percent composition of elements test for online chemistry review courses distance learning.

Free chemical formulae and equations quiz online, study guide has multiple choice question: formula of hydrogen carbonate ion is with choices hco3, hco2, hco4 and h2co3 with online learning guide for international exams' preparation like ACT subjective test. Study to learn chemical symbols quiz questions with online learning MCQs for competitive exam preparation test.

MCQ on Chemical Formulae and Equations Test 7 Quiz 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