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Which elements is obtained in the pure form by the van Arkel method?
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Identify X and Y respectively in the given reaction.
\[\ce{CH3CN ->[PhMgBr][H2O] X ->[CH3MgCl][H2O/H+] Y}\]
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How much \[\ce{BaCl2 * 2H2O}\] and pure water are to be mixed to prepare 50 g of 12.0% (by mass) BaCl2 solution?
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The bond line structure of crotonyl alcohol is ______.
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Which among the following compounds has highest melting point?
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The decreasing order of the rate of nitration of benzene (I), C6D6 (II), nitrobenzene (III), chlorobenzene (IV) is ______.
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The 'green' chemical used in household cleaners to remove stains and also a favourite dressing on salads is ______.
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Vitamin B6 is known as ______.
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Substance used for the preservation of coloured fruit juices is ______.
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What is the relation between `("d"["H"_2])/"dt" and ("d"["NH"_3])/"dt"`?
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The most abundant molecule in cell is ______.
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The elementary reaction \[\ce{O3_{(g)} + O_{(g)} -> 2O2_{(g)}}\] is ______.
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Order of reaction for which unit of rate constant is mol dm–3 s–1 is _______.
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Which of the following type of carbohydrates cannot be hydrolyzed?
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Which of the following monosaccharides is a tetrose sugar?
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______ is the prosthetic group of glycoproteins.
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Which of the following group 16 element is present in copper pyrites and zinc blende?
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The number of moles of methyl bromide required to convert ethanamine to N, N-dimethylethanamine is ____________.
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Molar conductance of BaCl2, H2SO4 and HCl at infinite dilution are X1, X2 and X3 respectively. Molar conductance of BaSO4 at infinite dilution is ____________.
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If partial pressure of oxygen at 50°C is 0.14 atm, the concentration of dissolved oxygen at 50°C under pressure of one atmosphere is ______.
(Henry's law constant for oxygen = 1.3 × 10−3 mol dm−3 atm−1)
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