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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Learn "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. Practice Percent Composition of Elements Quiz Questions, download Apple Book (Free Chapter) to maximize study effectiveness.

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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