Percent Composition of Elements MCQs Quiz Online PDF Download

Percent composition of elements MCQs, learn online IGCSE chemistry test prep for certificate programs online courses. Learn chemical formulae and equations multiple choice questions (MCQs), percent composition of elements quiz questions and answers. Career test prep on chemical formulas, relative molecular mass, chemical symbols, valency table, valency and chemical formula aptitude test for online chemistry projects courses distance learning.

Practice chemical formulae and equations aptitude test MCQs: in na2co3.10h2o, percentage of oxygen is, for free online certificate courses with options 0.1678, 0.1608, 0.1659, 0.1684 with past papers, exam papers and past papers important questions for online distance learning tests. Free skills assessment test is for online learning percent composition of elements quiz questions with MCQs, exam preparation questions and answers.

MCQs on Percent Composition of ElementsQuiz PDF Download

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

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

A

MCQ: In Na2CO3, relative atomic mass of Oxygen is

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

D

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

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

B

MCQ: Formula of Nitrogen Trichloride (NCl3) is

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

C

MCQ: Formula of tetra chloromethane is

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

A