Percent Composition of Elements MCQs Questions and Answers PDF Book Download

Percent composition of elements MCQs, percent composition of elements quiz answers to learn chemistry courses online. Chemical formulae and equations multiple choice questions (MCQs), percent composition of elements quiz questions and answers for undergraduate degree. Chemical symbols, atomic mass, chemical formulas, percent composition of elements test prep for chemistry certifications.

Learn chemical formulae and equations test MCQs: in na2co3.10h2o, percentage of oxygen is, with choices 0.1678, 0.1608, 0.1659, and 0.1684 for undergraduate degree. Practice assessment test for scholarships, online learning percent composition of elements quiz questions for competitive assessment in chemistry major.

MCQ on Percent Composition of ElementsQuiz Book Download

MCQ: In Na2CO3.10H2O, percentage of oxygen is

  1. 0.1678
  2. 0.1608
  3. 0.1659
  4. 0.1684


MCQ: In Na2CO3, relative atomic mass of Oxygen is

  1. 12
  2. 24
  3. 36
  4. 48


MCQ: In Sulfuric Acid (H2SO4), chemical composition of sulfur is

  1. 0.0204
  2. 0.3265
  3. 0.6531
  4. 0.9821


MCQ: Formula of Nitrogen Trichloride (NCl3) is

  1. NaCl2
  2. NaCl3
  3. NCl3
  4. N2Cl3


MCQ: Formula of tetra chloromethane is

  1. CCl4
  2. CH4Cl4
  3. C(HCl)4
  4. C4. HCl4