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In the 18th-century laboratory, the chemist cautiously poured a drop of spirit of salt onto the metal to demonstrate its reactivity.
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In the 18th-century laboratory, the chemist cautiously poured a drop of spirit of salt onto the metal to demonstrate its reactivity.
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18世紀の実験室で、化学者はその反応性を示すために金属に一滴の塩酸を慎重に垂らした。
