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 test prep to learn O level chemistry quiz 7 for degree certificate free online courses. Learn chemical symbols multiple choice questions (MCQs), chemical formulae and equations quiz questions and answers. Free e-learning tutorial on chemical symbols, percent composition of elements test prep for online chemistry review courses distance learning.

Practice chemical formulae and equations career test with multiple choice question: in na2co3.10h2o, percentage of oxygen is, for online chemistry major with options 0.1608, 0.1678, 0.1659, 0.1684 with online learning guide for international exams' preparation like ACT subjective test. Professional skills assessment test with learning online 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