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

Learn chemical formulae and equations multiple choice questions, online O level chemistry test 7 for colleges and universities test prep with e-learning degree, online courses. Practice chemical symbols multiple choice questions (MCQs), chemical formulae and equations quiz questions and answers on chemical symbols, percent composition of elements career test for online chemistry review courses distance learning.

Study bachelor degree and masters in chemistry degree courses, online chemical formulae and equations quiz, study guide has multiple choice question (MCQs): formula of hydrogen carbonate ion is with options hco3, hco2, hco4 and h2co3 with online learning guide for international exams' preparation like ACT subjective test. Practice skills assessment test to learn online chemical symbols quiz questions with Cambridge chemistry MCQs for chemistry certification competitive exam prep.

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

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