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IGCSE O Level Chemistry Certification Exam Tests

IGCSE O Level Chemistry Practice Test 28

Chemical Symbols Multiple Choice Questions (MCQ) PDF - 28

Free Chemical Symbols MCQ with Answers PDF, Chemical Symbols Multiple Choice Questions (MCQs) PDF e-Book download Ch. 3-28 to prepare IGCSE O Level Chemistry Practice Tests. Study Chemical Formulae and Equations Test PDF, Chemical Symbols Multiple Choice Questions (MCQ Quiz) for GRE subject test tutoring. The Chemical Symbols MCQ Quiz App: Free download certification app for chemical symbols, paper chromatography, periodic table: o level chemistry, kinetic theory, endothermic reactions test prep to learn online certificate courses.

The MCQ Quiz: All of these radicals have a valency of 1, except; "Chemical Symbols" App Download (Play Store & App Store) with answers: CO3; OH; NO3; HCO3; for GRE subject test tutoring. Practice Chemical Formulae and Equations Questions and Answers, Apple Book to download free sample for ACT subject tests.

Chemical Symbols Questions and Answers PDF Download: Quiz 28

MCQ 136:

All of these radicals have a valency of 1, except

  1. OH
  2. CO3
  3. NO3
  4. HCO3
MCQ 137:

The phase that never gains in sublimation is

  1. solid
  2. liquid
  3. gas
  4. vapors
MCQ 138:

Elements with 1-3 valence electrons are called

  1. metals
  2. non-metals
  3. inert gases
  4. amphoteric oxides
MCQ 139:

Sublimations are the substances which do not exist

  1. at room temperature
  2. in liquid state at ordinary pressures
  3. in gaseous form at room temperatures
  4. in gaseous form at ordinary pressures
MCQ 140:

Upon heating, sodium nitrate NaNO3(s) gets converted into

  1. sodium oxide
  2. nitric acid
  3. sodium hydrogen oxide
  4. none of above

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)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (iOS & Android)