IGCSE O Level Chemistry MCQs – Practice Test for Exam Prep

Percent Composition of Elements Multiple Choice Questions with Answers – PDF Download

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Free "Percent Composition of Elements MCQ" App Download with MCQ: In Na₂CO₃.10H₂O, percentage of oxygen is; 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 Chapter) for online colleges for teaching.

Percent Composition of Elements MCQs PDF Download – Prep Test

MCQ 1: In Na₂CO₃.10H₂O, percentage of oxygen is:

0.1678
0.1608
0.1659
0.1684

MCQ 2: In Na₂CO₃, the relative atomic mass of Oxygen is:

MCQ 3: In Sulfuric Acid (H₂SO₄), the chemical composition of sulfur is:

0.0204
0.3265
0.6531
0.9821

MCQ 4: Formula of Nitrogen Trichloride (NCl₃) is:

NaCl₂
NaCl₃
NCl₃
N₂Cl₃

MCQ 5: The formula of tetrachloromethane is:

CCl₄
CH₄Cl₄
C(HCl)₄
C₄. HCl₄

IGCSE O Level Chemistry MCQs App & e-Book – Percent Composition of Elements Practice Tests

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