Chemical Formulae and Equations Multiple Choice Questions 3 PDF Download

Learn chemical formulae and equations multiple choice questions (MCQs), O level chemistry test 3 for online course prep exams. Practice chemical symbols MCQs questions and answers on chemical symbols, valency and chemical formula, reactants, relative molecular mass test for online introduction to chemistry courses distance learning.

Free chemical formulae and equations quiz online, study guide has multiple choice question: variable valencies are used to indicate ions with choices 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. Study to learn chemical symbols quiz questions with online learning MCQs for competitive exam preparation test.

MCQ on Chemical Formulae and Equations Test 3 Quiz 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