Last Updated：2025/11/27
In the laboratory, the chemist carefully purified benzal, a transparent crystalline substance formed by the action of ammonia on benzoyl chloride, before recording its melting point.
See correct answer
In the laboratory, the chemist carefully purified benzal, a transparent crystalline substance formed by the action of ammonia on benzoyl chloride, before recording its melting point.
音声機能が動作しない場合はこちらをご確認ください
Edit Histories（0）
