IGCSE O Level Chemistry MCQs – Mock Test 42

Atoms and Elements MCQs with Answers PDF Download – Test 42

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Atoms & Elements MCQ – Mock Test 42 PDF Download

MCQ 206: Symbol of Mercury is:

MCQ 207: Symbol of Copper is:

MCQ 208: Electrolysis refers to the:

passing of cathode in molten solid
passing electricity through a solution or molten solid
substance that does not allow the flow of electricity
copper plating of utensils

MCQ 209: In Na₂CO₃, the relative atomic mass of Carbon is:

MCQ 210: Greatest energy is found in the particles of the:

solids
liquids
gases
diffusing particles

IGCSE O Level Chemistry MCQ App & eBook – Atoms & Elements Study Material

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Reactants MCQs

Acidity or Alkalinity MCQs

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Oxidation and Reduction MCQs

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Oxidation Reduction Reactions MCQs

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