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Number of electrons involved in the reaction, when 1 Faraday of electricity is passed through an electrolytic solution is ______.
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A first order reaction has rate constant 1 × 10−2 s−1. What time will, it take for 20 g or reactant to reduce to 5 g?
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A first order reaction is 25% completed in 40 minutes. What is the rate constant k tor the reaction?
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Which of the following salt contain interstitial water molecule in it?
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Which of the following is not present in baking powder?
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Which among the following ore is concentrated by froth floatation process?
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A reaction that is of the first order with respect to reactant A has a rate constant 6 min−1. If we start with [A]0 = 0.5 mol dm−3, when would [A] reach the value 0.05 mol dm−3?
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Potassium carbonate cannot be prepared by Solvay process because ____________.
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The strength (g/L) of 10 volume solution of hydrogen peroxide ____________.
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Which ion has the highest value of theoretical magnetic moment?
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The time of completion of 90% of a first order reaction is approximately ____________.
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Three moles of an ideal gas are expanded isothermally from a volume of 300 cm3 to 2.5 L at 300 K against a pressure of 1.9 atm. The work done in joules is ____________.
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IUPAC name of ethylenediamine is ____________.
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Two electrolytic cells are connected in series containing CuSO4 solution and molten AlCl3. If in electrolysis 0.4 moles of 'Cu' are deposited on cathode of first cell. The number of moles of 'Al' deposited on cathode of the second cell is _______.
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Which among the following sets of compounds is used as raw material for the preparation of sodium carbonate by Solvay process?
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When electrolysis of molten NaCl and aqueous NaCl are carried out separately, the product formed at cathode are ____________ and ___________ respectively.
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Which among the following reaction is an example of a zero order reaction?
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What happens when ionic hydrides of s-block elements in molten state are electrolysed?
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In bcc unit cell, the edge length (a) and radius of sphere (r) are related to each other by equation:
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Which hydride among the following is the strongest reducing agent?
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