O Level Courses

Chapter 3: IGCSE O Level Chemistry Exam Tests

IGCSE O Level Chemistry MCQs - Chapter 3

Chemical Formulae and Equations Multiple Choice Questions PDF Download - 5

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The Multiple Choice Question (MCQ Quiz): Formula of carbonic acid is; "Chemical Formulae and Equations" App Download (Free) with answers hcho3, hco2, h2co2 and h2co3 to learn online certification courses. Solve chemical symbols quiz questions, download Google eBook (Free Sample) for online colleges that offer certificate programs.

Chemical Formulae & Equations Questions & Answers PDF Download: MCQ Quiz 5

MCQ 21: The formula of carbonic acid is

A) HCO2
B) HCHO3
C) H2CO2
D) H2CO3

MCQ 22: To balance Al(OH)3 + HNO3 → Al(NO3)3 + H2O, number of Al(OH)3 molecules will be

A) 1
B) 2
C) 3
D) 4

MCQ 23: In Na2CO3.10H2O, percentage of water is

A) 0.5009
B) 0.1699
C) 0.6507
D) 0.6294

MCQ 24: All of these radicals have a valency of 1, except

A) OH
B) CO3
C) NO3
D) HCO3

MCQ 25: A white smoke consisting of fine white solid particles is formed by

A) propane
B) butane
C) magnesium oxide
D) tin oxide

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Chemical Formulae & Equations App (Android & iOS)

Chemical Formulae & Equations App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

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9th Grade Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)