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নিচের কোনটি ভিনেগার ?

6 - 10 % C_{2} H_{5} O H + 94_90 % H_{2} O

6 - 10 % C H_{3} - C H O + 94_90 % H_{2} O

6 - 10 % C H_{3} - C O O H + 94_90 % H_{2} O

6 - 10 % H C O O H + 94_90 % H_{2} O

ANS : 3

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