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AIIMS 2019 Physical Chemistry Revision Quiz 4

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Question 1

On reaction with Mg, very dilute nitric acid produces

Question 2

Which of the following conditions is incorrect in the case of the entropy to be zero for a pure solid?

Question 3

Surface tension of lyophilic sol is

Question 4

Of SO2 (critical temperature 630K) and CH4 (critical temperature 190K) which gas will be adsorbed readily on the surface of 1 gram of activated charcoal.

Question 5

In a laboratory, a solution is found to be having 49g of sulfuric acid. The total volume of the solution is 100cm³. Calculate the molality(molkg^-1) of the solution (Consider density of solution to be 1.8g/cm³):

Question 6

Formation of a solution from two components can be considered as
(i) Pure solvent separated solvent molecules
(ii) Pure solute separated solute molecules
(iii) Separated solvent and solute molecules solution Solution so formed will be ideal if

Question 7

The adjoining figure shows a Ni-Cd cell. Choose the correct option that states the anode and cathode that makes up the cell.

Question 8

In a basic buffer, 0.0025 mole of NH₄Cl and 0.15 mole of NH₄OH are present. The pH of the solution will be (pK_a) = 4.74.

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Oct 6NEET & AIIMS