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What is the SI unit of density?
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The dissociation constant of two acids HA1 and HA2 are 3.14 × 10−4 and 1.96 × 10−5 respectively. The relative strength of the acids will be approximately ______.
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In the above reaction product 'P' is:
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A solution of copper sulphate (CuSO4) is electrolyzed for 10 minutes with a current of 1.5 amperes. The mass of copper deposited at the cathode (at. mass of Cu = 63 u) is ______.
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A metal has an fcc lattice. The edge length of the unit cell is 404 pm. The density of the metal is 2.72 g cm−3. The molar mass of the metal is ______.
(NA Avogadro's constant = 6.02 × 1023 mol−1)
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Which one of the following reactions is a true first-order reaction?
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How many Faradays of electricity are required to deposit 10 g of calcium from molten calcium chloride using inert electrodes?
(Molar mass of calcium = 40 g mol-1)
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In face centred cubic unit cell, what is the volume occupied?
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If the rate constant for a first-order reaction is k, the time (t) required for the completion of 99% of the reaction is given by:
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5.0 g of sodium hydroxide (molar mass 40 g mol-1) is dissolved in little quantity of water and the solution is diluted upto 100 mL. What is the molarity of the resulting solution?
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The rate constant and half-life of a first order reaction are related to each other as ______.
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A solution of acetone in ethanol ______.
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Which of the following reactions is not of the first order?
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The unpaired electrons in Ni(CO)4 are ______.
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Calculate the work done during compression of 2 mol of an ideal gas from a volume of 1m3 to 10 dm3 300K against a pressure of 100 KP a.
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18 g of glucose (C6H12O6) is added to 178.2 g of water. The vapour pressure of water for this aqueous solution at l00°C is ______.
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Which among the following reactions is an example of pseudo first order reaction?
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The rate constant for a first order reaction is 7.0 × 10-4 s-1. If initial concentration of reactant is 0.080 M, what is the half-life of reaction?
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What is the actual volume occupied by water molecules present in 20 cm3 of water?
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Which of the following is correct for a first-order reaction?
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