MCQ Collection

Chemistry MCQs

Practice Chemistry questions with answers and explanations.

japan-common-test-chemistry Chemistry JapanMedium

Common Test Chemistry practice 15: Using the accompanying practice context, a hydrocarbon contains a carbon–carbon double bond. To which homologous series does it belong?

Choose an option to check your answer.

japan-common-test-chemistry Chemistry JapanMedium

Common Test Chemistry practice 2: Which bond forms when two non-metal atoms share electron pairs?

Choose an option to check your answer.

japan-common-test-chemistry Chemistry JapanMedium

Common Test Chemistry practice 3: What is [H⁺] for a solution of pH 5?

Choose an option to check your answer.

japan-common-test-chemistry Chemistry JapanMedium

Common Test Chemistry practice 4: A reactant is added to a system at dynamic equilibrium. What does Le Châtelier’s principle predict?

Choose an option to check your answer.

japan-common-test-chemistry Chemistry JapanMedium

Common Test Chemistry practice 5: Which statement correctly describes oxidation?

Choose an option to check your answer.

japan-common-test-chemistry Chemistry JapanMedium

Common Test Chemistry practice 6: What is the principal effect of a catalyst?

Choose an option to check your answer.

japan-common-test-chemistry Chemistry JapanMedium

Common Test Chemistry practice 7: A hydrocarbon contains a carbon–carbon double bond. To which homologous series does it belong?

Choose an option to check your answer.

japan-common-test-chemistry Chemistry JapanMedium

Common Test Chemistry practice 8: At which electrode does oxidation occur in an electrochemical cell?

Choose an option to check your answer.

japan-common-test-chemistry Chemistry JapanMedium

Common Test Chemistry practice 9: Using relative atomic mass 1, what is the mass of 5 mol of H atoms?

Choose an option to check your answer.

japan-common-test-chemistry Chemistry JapanMedium

Common Test Chemistry practice 10: Using the accompanying practice context, which bond forms when two non-metal atoms share electron pairs?

Choose an option to check your answer.

japan-common-test-chemistry Chemistry JapanMedium

Common Test Chemistry practice 1: Using relative atomic mass 12, what is the mass of 2 mol of C atoms?

Choose an option to check your answer.