O Level

Chemistry MCQ Questions

O Level Chemistry MCQs - Chapter

Chemical Formulae and Equations Multiple Choice Questions and Answers p. 5

Chemical Formulae and Equations multiple choice questions and answers PDF, chemical formulae and equations MCQs with answers PDF worksheets, O level chemistry worksheet 5 for online colleges. Learn chemical symbols MCQs, Chemical Formulae and Equations trivia questions and answers for admission and merit scholarships test. Learn chemical symbols, chemical and ionic equations career test for colleges offering online degree programs.

"The formula of carbonic acid is" Multiple Choice Questions (MCQ) on chemical formulae and equations with choices hcho3, hco2, h2co2, and h2co3 to learn free online courses. Practice chemical symbols quiz questions for jobs' assessment test and online courses for ACT practice test.

MCQs on Chemical Formulae & Equations Quiz

1.

The formula of carbonic acid is

HCO2
HCHO3
H2CO2
H2CO3

2.

To balance Al(OH)3 + HNO3 → Al(NO3)3 + H2O, number of Al(OH)3 molecules will be

1
2
3
4

3.

In Na2CO3.10H2O, percentage of water is

0.5009
0.1699
0.6507
0.6294

4.

All of these radicals have a valency of 1, except

OH
CO3
NO3
HCO3

5.

A white smoke consisting of fine white solid particles is formed by

propane
butane
magnesium oxide
tin oxide