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Question

হাইড্রোজেন পার অক্সাইডের শতকরা সংযুক্তি-

H =5.93% , O = 94.07%

H =59.0% , O =41.0%

H = 53.0% , O =94.07%

H =5.5%, O =94.5%

ANS : 1

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