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

Chemical formulae and equations multiple choice questions, learn O level chemistry online test prep 3 for e-learning, free online courses prep. Practice chemical symbols multiple choice questions (MCQs), chemical formulae and equations quiz questions and answers. Learn chemical symbols, valency and chemical formula, reactants, relative molecular mass SAT prep for online introduction to chemistry courses distance learning.

Study chemical formulae and equations quiz with multiple choice questions, variable valencies are used to indicate ions, for bachelor degree and masters in chemistry degree courses with choices greater than −1, greater than +1, with more than one valency, all of these for e-learning, online colleges' competitive exams to get financial aids in colleges and high schools. Practice skills assessment test for online learning chemical symbols quiz questions with Cambridge chemistry MCQs for chemistry certification competitive exam prep.

MCQ on Chemical Formulae & 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