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ভিনেগারে কোনটি থাকে?

6 - 10 % C H_{3} C O_{2} H

6 - 10 % C_{3} H_{5} O H

6 - 10 % C H_{3} C O C H_{3}

6 - 10 % C H_{3} C H O

ANS : 1

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