IGCSE O Level Chemistry Practice Test 28

Chemical Symbols Multiple Choice Questions (MCQ) PDF - 28

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The Book Chemical Symbols MCQs, Chemical Symbols Multiple Choice Questions (MCQs) PDF Download, e-Book 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 online college degrees. The Chemical Symbols MCQ Quiz App Download: Free certification app for chemical symbols, paper chromatography, periodic table: o level chemistry, kinetic theory, endothermic reactions test prep for ACT subject tests.

The MCQ Quiz: All of these radicals have a valency of 1, except; "Chemical Symbols" App APK Download (Free) with answers co₃, oh, no₃ and hco₃ to learn online certificate courses. Practice chemical formulae and equations questions and answers, Apple Book to download free sample for GRE subject test tutoring.

Chemical Symbols Questions and Answers PDF Download: Quiz 28

MCQ 136: All of these radicals have a valency of 1, except

OH
CO₃
NO₃
HCO₃

MCQ 137: The phase that never gains in sublimation is

solid
liquid
gas
vapors

MCQ 138: Elements with 1-3 valence electrons are called

metals
non-metals
inert gases
amphoteric oxides

MCQ 139: Sublimations are the substances which do not exist

at room temperature
in liquid state at ordinary pressures
in gaseous form at room temperatures
in gaseous form at ordinary pressures

MCQ 140: Upon heating, sodium nitrate NaNO₃_(s) gets converted into

sodium oxide
nitric acid
sodium hydrogen oxide
none of above

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