MCQ Collection
japan-common-test-chemistry MCQs
Practice japan-common-test-chemistry questions with answers and explanations.
Choose an option to check your answer.
Correct Answer: B. 1×10⁻3 mol/L
Explanation:
[H⁺]=10^(−pH).
Choose an option to check your answer.
Correct Answer: C. The equilibrium shifts to consume the added reactant
Explanation:
The system shifts to oppose the imposed change.
Choose an option to check your answer.
Correct Answer: A. Oxidation is loss of electrons
Explanation:
OIL RIG: oxidation is loss, reduction is gain of electrons.
Choose an option to check your answer.
Correct Answer: B. It lowers activation energy
Explanation:
A catalyst provides an alternative pathway with lower activation energy.
Choose an option to check your answer.
Correct Answer: D. An alkene
Explanation:
A C=C bond characterises an alkene.
Choose an option to check your answer.
Correct Answer: C. It lowers activation energy
Explanation:
A catalyst provides an alternative pathway with lower activation energy.
Choose an option to check your answer.
Correct Answer: C. An alkene
Explanation:
A C=C bond characterises an alkene.
Choose an option to check your answer.
Correct Answer: D. The equilibrium shifts to consume the added reactant
Explanation:
The system shifts to oppose the imposed change.
Choose an option to check your answer.
Correct Answer: B. Oxidation is loss of electrons
Explanation:
OIL RIG: oxidation is loss, reduction is gain of electrons.
Choose an option to check your answer.
Correct Answer: D. It lowers activation energy
Explanation:
A catalyst provides an alternative pathway with lower activation energy.
Choose an option to check your answer.
Correct Answer: C. An alkene
Explanation:
A C=C bond characterises an alkene.
Choose an option to check your answer.
Correct Answer: C. The anode
Explanation:
Oxidation occurs at the anode.