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IGCSE O Level Chemistry Practice Test 25

Chemical Symbols Quiz Questions and Answers PDF - 25

Free Chemical Symbols Quiz Questions and Answers, Chemical Symbols Quiz PDF Download, Book Test 3-25 to study igcse chemistry online courses. Practice Chemical Formulae and Equations MCQ with answers PDF, chemical symbols Multiple Choice Questions (MCQ Quiz) for online college degrees. The Chemical Symbols Quiz App Download: Free learning app for chemical symbols, chemical and ionic equations, molecules and compounds, ordinary level chemistry, atoms and elements test prep for online college classes.

The Quiz: Formula of carbonic acid is; "Chemical Symbols" App Download (Free) with answers hcho3, hco2, h2co2 and h2co3 to learn online certification courses. Solve chemical formulae and equations questions and answers, Amazon eBook to download free sample for online colleges that offer certificate programs.

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)

A level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (iOS & Android)