O Level

Chemistry MCQs

O Level Chemistry MCQs - Subtopic

Percent Composition of Elements MCQ with Answers

Percent Composition of Elements Multiple Choice Questions (MCQ) to practice percent composition of elements quiz answers PDF, O level chemistry worksheets for online degrees. Solve chemical formulae and equations Multiple Choice Questions and Answers (MCQs), "Percent Composition of Elements" quiz questions and answers for SAT prep classes. Learn valency and chemical formula, chemical symbols test prep for best GRE prep courses online.

"In Na2CO3.10H2O, percentage of oxygen is" Multiple Choice Questions (MCQ) on percent composition of elements with choices 0.1678, 0.1608, 0.1659, and 0.1684 for SAT prep classes. Solve percent composition of elements quiz questions for merit scholarship test and certificate programs for GRE prep classes.

MCQs on Percent Composition of Elements

1.

In Na2CO3.10H2O, percentage of oxygen is

0.1678
0.1608
0.1659
0.1684

2.

In Na2CO3, the relative atomic mass of Oxygen is

12
24
36
48

3.

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

0.0204
0.3265
0.6531
0.9821

4.

Formula of Nitrogen Trichloride (NCl3) is

NaCl2
NaCl3
NCl3
N2Cl3

5.

The formula of tetrachloromethane is

CCl4
CH4Cl4
C(HCl)4
C4. HCl4