Percent Composition of Elements MCQs Quiz Online PDF Download

Learn percent composition of elements MCQs, O level chemistry test for online learning courses, test prep to practice test. Chemical formulae and equations MCQs, percent composition of elements multiple choice questions and answers, chemical formulas, relative molecular mass, chemical symbols, valency table, percent composition of elements tutorials for online chemistry projects courses distance learning.

IGCSE chemistry practice test MCQ: in na2co3.10h2o, percentage of oxygen is with options 0.1678, 0.1608, 0.1659 and 0.1684 with past papers, exam papers and past papers important questions for online distance learning tests. Free study guide is for online learning percent composition of elements quiz questions with MCQs to practice test questions with answers.

MCQs on Percent Composition of Elements Quiz PDF 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