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

Chemical formulae and equations multiple choice questions (MCQs), chemical formulae and equations quiz answers, O level chemistry test prep 7 to learn O level chemistry courses for online degrees. Chemical symbols MCQs with answers, chemical formulae and equations quiz questions and answers for admission and merit scholarships test. Practice chemical symbols, percent composition of elements career test for chemistry certifications.

Learn chemical formulae and equations test with multiple choice question: formula of hydrogen carbonate ion is, with choices hco3, hco2, hco4, and h2co3 for online bachelor degree. Practice jobs' assessment test for online learning chemical symbols quiz questions for chemistry major, competitive assessment tests.

MCQ on Chemical Formulae & Equations Test 7Quiz Book Download

MCQ: Formula of Hydrogen Carbonate ion is

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

B

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

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

A

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

C

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

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

D

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

C