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Percent Composition of Elements Quizzes Online MCQs PDF Download eBook

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"In Calcium Chloride, the percentage composition of Calcium is", percent composition of elements Multiple Choice Questions (MCQ) with choices 0.3722, 0.4621, 0.4621, and 0.36112 to learn free online courses. Learn chemical formulae and equations questions and answers to improve problem solving skills for online colleges that offer certificate programs.

Percent Composition of Elements Questions and Answers PDF Download eBook

Percent Composition of Elements Quiz

MCQ: In Calcium Chloride, the percentage composition of Calcium is

  1. 0.4621
  2. 0.3722
  3. 0.4621
  4. 0.36112

D

Chemistry Reactions Quiz

MCQ: Products of reaction CuO + HNO3 → are

  1. Cu2NO3 + H2O
  2. Cu(NO3)2 + H2O
  3. Cu(NO3)2 + H2
  4. Cu(NO2)4 + H2

B

Proton and Nucleon Number Quiz

MCQ: Extra stability is gained in the third shell if the number of electrons is

  1. 18
  2. 2
  3. 8
  4. 10

C

Catalysts and Enzymes Quiz

MCQ: Many catalysts are

  1. noble gases
  2. transition metals
  3. non-metals
  4. inert gases

B

Basic Acidic Neutral and Amphoteric Quiz

MCQ: Consider the equation ZnO + NaOH + H2O → Na2Zn(OH)4. Moles of H2O required to balance the equation would be

  1. 1
  2. 2
  3. 3
  4. 4

A