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question_answer1) The percentage of oxygen in \[NaOH\] is [CPMT 1979]
question_answer2) The percentage of nitrogen in urea is about [KCET 2001]
question_answer3) If two compounds have the same empirical formula but different molecular formula, they must have [MP PMT 1986]
question_answer4) A compound (80 g) on analysis gave C = 24 g, H = 4 g, O = 32 g. Its empirical formula is [CPMT 1981]
question_answer5) The empirical formula of a compound is \[C{{H}_{2}}O.\] 0.0835 moles of the compound contains 1.0 g of hydrogen. Molecular formula of the compound is
question_answer6) The empirical formula of an acid is \[C{{H}_{2}}{{O}_{2}}\], the probable molecular formula of acid may be [AFMC 2000]
question_answer7) In which of the following pairs of compounds the ratio of C, H and O is same
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