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IGCSE O Level Chemistry Certification Exam Tests

IGCSE O Level Chemistry Practice Test 25

Chemical Symbols Quiz Questions and Answers PDF - 25

The Chemical Symbols Quiz Questions and Answers PDF, Chemical Symbols Quiz with Answers PDF e-Book download Ch. 3-25 to prepare IGCSE O Level Chemistry Practice Tests. Solve Chemical Formulae and Equations MCQ with answers PDF, Chemical Symbols Multiple Choice Questions (MCQ Quiz) for online college classes. The Chemical Symbols Quiz App: Free download learning app for chemical symbols, chemical and ionic equations, molecules and compounds, ordinary level chemistry, atoms and elements test prep for online colleges that offer certificate programs.

The Quiz: Formula of carbonic acid is; "Chemical Symbols" App Download (Free) with answers: HCHO3; HCO2; H2CO2; H2CO3; for online college classes. Learn Chemical Formulae and Equations Questions and Answers, Apple eBook to download free sample to learn online certification courses.

Chemical Symbols Questions and Answers PDF Download: Quiz 25

MCQ 121:

The formula of carbonic acid is

  1. HCO2
  2. HCHO3
  3. H2CO2
  4. H2CO3
MCQ 122:

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

  1. 1
  2. 2
  3. 3
  4. 4
MCQ 123:

Material is largely composed of

  1. metals
  2. organic matter
  3. atoms
  4. none of above
MCQ 124:

Data loggers are

  1. data punching devices
  2. devices used to draw graph of temperature against time
  3. data extracting devices
  4. none of above
MCQ 125:

Symbol of iron is

  1. I
  2. Fe
  3. Ne
  4. Sn

IGCSE O Level Chemistry Exam Prep Tests

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Chemical Symbols App (Android & iOS)

Chemical Symbols App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (iOS & Android)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

A level Chemistry App (iOS & Android)