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কোন গাঠনিক সংকেতটি (Molecular structure ) সঠিক নয়?

কোন গাঠনিক সংকেতটি (Molecular structure ) সঠিক নয়? Correct Answer ইথানয়িক অ্যাসিড

স্যালিসাইলিক এসিড C6H4-(OH)(COOH)বেনজোয়িল ক্লোরাইড C6H4-COClইথানয়িক এসিড CH3COOH 

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