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塩酸にアルミニウムを入れたあと、液体を蒸発（じょうはつ）させて残った白い粉は、アルミニウムなのか。別のもの（食塩水と炭酸水）を蒸発させた結果から、予想しよう！

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食塩水と炭酸水を蒸発させると… | NHK for School

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