MCQ Collection
japan-common-test-chemistry-basic MCQs
Practice japan-common-test-chemistry-basic questions with answers and explanations.
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Correct Answer: C. It lowers activation energy
Explanation:
A catalyst provides an alternative pathway with lower activation energy.
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Correct Answer: D. An alkene
Explanation:
A C=C bond characterises an alkene.
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Correct Answer: B. The anode
Explanation:
Oxidation occurs at the anode.
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Correct Answer: C. 39
Explanation:
Mass = moles × molar mass.
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Correct Answer: D. Covalent bond
Explanation:
Electron-pair sharing is covalent bonding.
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Correct Answer: C. 1×10⁻4 mol/L
Explanation:
[H⁺]=10^(−pH).
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Correct Answer: A. The anode
Explanation:
Oxidation occurs at the anode.
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Correct Answer: D. 120
Explanation:
Mass = moles × molar mass.
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Correct Answer: B. Covalent bond
Explanation:
Electron-pair sharing is covalent bonding.
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Correct Answer: B. 5
Explanation:
Mass = moles × molar mass.
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Correct Answer: D. Covalent bond
Explanation:
Electron-pair sharing is covalent bonding.
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Correct Answer: A. 1×10⁻3 mol/L
Explanation:
[H⁺]=10^(−pH).