MCQ Collection

eju-science-chemistry MCQs

Practice eju-science-chemistry questions with answers and explanations.

eju-science-chemistry EJU Chemistry JapanMedium

EJU Chemistry practice 46: Using the accompanying practice context, what is the principal effect of a catalyst?

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eju-science-chemistry EJU Chemistry JapanMedium

EJU Chemistry practice 47: Using the accompanying practice context, a hydrocarbon contains a carbon–carbon double bond. To which homologous series does it belong?

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eju-science-chemistry EJU Chemistry JapanMedium

EJU Chemistry practice 36: Using the accompanying practice context, a reactant is added to a system at dynamic equilibrium. What does Le Châtelier’s principle predict?

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eju-science-chemistry EJU Chemistry JapanMedium

EJU Chemistry practice 37: Using the accompanying practice context, which statement correctly describes oxidation?

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eju-science-chemistry EJU Chemistry JapanMedium

EJU Chemistry practice 38: Using the accompanying practice context, what is the principal effect of a catalyst?

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eju-science-chemistry EJU Chemistry JapanMedium

EJU Chemistry practice 32: Using the accompanying practice context, at which electrode does oxidation occur in an electrochemical cell?

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eju-science-chemistry EJU Chemistry JapanMedium

EJU Chemistry practice 33: Using relative atomic mass 35.5, what is the mass of 4 mol of Cl atoms?

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eju-science-chemistry EJU Chemistry JapanMedium

EJU Chemistry practice 34: Using the accompanying practice context, which bond forms when two non-metal atoms share electron pairs?

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eju-science-chemistry EJU Chemistry JapanMedium

EJU Chemistry practice 35: What is [H⁺] for a solution of pH 2?

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eju-science-chemistry EJU Chemistry JapanMedium

EJU Chemistry practice 31: Using the accompanying practice context, a hydrocarbon contains a carbon–carbon double bond. To which homologous series does it belong?

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eju-science-chemistry EJU Chemistry JapanMedium

EJU Chemistry practice 21: Using the accompanying practice context, which statement correctly describes oxidation?

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eju-science-chemistry EJU Chemistry JapanMedium

EJU Chemistry practice 22: Using the accompanying practice context, what is the principal effect of a catalyst?

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