Last Updated：2025/11/20
Sentence
実験を始める前に、技術者は無色透明の液体を慎重に5 mL計量した。
Quizzes for review
The technician carefully measured 5 mL of perchloric acid before beginning the experiment.
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The technician carefully measured 5 mL of perchloric acid before beginning the experiment.
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Related words
perchloric acid
Noun
uncountable
Japanese Meaning
過塩素酸：無色透明の液体で、非常に強い酸性を示し、激しい酸化作用（時に爆発性を伴う）を持つ化学物質。化学においては、塩素が最高の酸化状態にある塩素酸（HClO₄）として扱われる。
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