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Percent Composition of Elements MCQ (Multiple Choice Questions) PDF Download
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The MCQ: In Na2CO3, the relative atomic mass of Oxygen is; "Percent Composition of Elements" App Download (Free) with answers: 12; 24; 36; 48; to study online certificate courses. Practice Percent Composition of Elements Quiz Questions, download Apple eBook (Free Sample) for online colleges for teaching.
Percent Composition of Elements MCQs: Questions and Answers PDF Download
In Na2CO3.10H2O, percentage of oxygen is
- 0.1678
- 0.1608
- 0.1659
- 0.1684
In Na2CO3, the relative atomic mass of Oxygen is
- 12
- 24
- 36
- 48
In Sulfuric Acid (H2SO4), the chemical composition of sulfur is
- 0.0204
- 0.3265
- 0.6531
- 0.9821
Formula of Nitrogen Trichloride (NCl3) is
- NaCl2
- NaCl3
- NCl3
- N2Cl3
The formula of tetrachloromethane is
- CCl4
- CH4Cl4
- C(HCl)4
- C4. HCl4
IGCSE O Level Chemistry Practice Tests
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