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The Percent Composition of Elements Multiple Choice Questions (MCQ Quiz) with Answers PDF (Percent Composition of Elements MCQ PDF e-Book) download to learn IGCSE O Level Chemistry Tests. Study Chemical Formulae and Equations Multiple Choice Questions and Answers (MCQs), Percent Composition of Elements quiz answers PDF to study online certificate courses. The Percent Composition of Elements MCQ App Download: Free IGCSE O Level Chemistry App to learn valency and chemical formula, chemical symbols test prep for two year degree programs.

The MCQ: In Na2CO3.10H2O, percentage of oxygen is; "Percent Composition of Elements" App Download [Free] with answers: 0.1678, 0.1608, 0.1659, and 0.1684 to study online certificate courses. Practice Percent Composition of Elements Quiz Questions, download Apple Book (Free Sample) for online colleges for teaching.

Percent Composition of Elements Questions and Answers PDF Download

MCQ: 1

In Na2CO3.10H2O, percentage of oxygen is

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

In Na2CO3, the relative atomic mass of Oxygen is

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

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

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

Formula of Nitrogen Trichloride (NCl3) is

  1. NaCl2
  2. NaCl3
  3. NCl3
  4. N2Cl3
MCQ: 5

The formula of tetrachloromethane is

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

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Percent Composition of Elements MCQ App (Android & iOS)

Percent Composition of Elements MCQ App

O Level Chemistry MCQ App (iOS & Android)

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10th Grade Chemistry MCQs App (Android & iOS)

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