Chemical Formulae and Equations Multiple Choice Questions and Answers 3 PDF Download

Learn chemical formulae and equations multiple choice questions, online O level chemistry test 3 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, valency and chemical formula, reactants, relative molecular mass career test for online introduction to chemistry 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): variable valencies are used to indicate ions with options greater than −1, greater than +1, with more than one valency and all of these for e-learning, online colleges' competitive exams to get financial aids in colleges and high schools. 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 3Quiz PDF Download

MCQ: Variable valencies are used to indicate ions

  1. greater than +1
  2. greater than −1
  3. with more than one valency
  4. all of these

C

MCQ: In CuO (Copper Oxide), valency of Copper is

  1. +1
  2. +2
  3. −1
  4. −2

B

MCQ: In order to get Sodium Sulfite (Na2SO3) as product, reactants shall be Sulfur Dioxide (SO2) and

  1. Na2CO3
  2. NaOH
  3. NaCl
  4. Both A and B

D

MCQ: Relative molecular mass of Na2CO3 is

  1. 98
  2. 128
  3. 286
  4. 198

C

MCQ: Formula of Ammonium Sulfate ((NH4)2SO4) is

  1. NH4(SO4)2
  2. NH4(HSO4)2
  3. (NH4)2SO4
  4. (NH3)2SO3

C