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IGCSE O Level Chemistry Exam Prep: Mock Test 28

Chemical Symbols Multiple Choice Questions (MCQs) PDF Download - 28

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The Chemical Symbols MCQ with Answers PDF (Chemical Symbols Multiple Choice Questions (MCQs) PDF e-Book) download Ch. 3-28 to study 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 App Download: Free IGCSE O Level Chemistry MCQs App to study chemical symbols, paper chromatography, periodic table: o level chemistry, kinetic theory, endothermic reactions test prep to learn online certificate courses.

The MCQ: All of these radicals have a valency of 1, except "Chemical Symbols" App (Free Android & iOS) with answers: co3, oh, hco3, and no3 for GRE subject test tutoring. Practice Chemical Formulae and Equations Questions and Answers, Google eBook to download free sample for ACT subject tests.

Chemical Symbols MCQ Quiz with Answers PDF Download: Test 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

Chemical Symbols Exam Prep: IGCSE O Level Chemistry App & eBook MCQs

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