NUMS MDCAT 2024 PAPER NUMS 2024 ( PART 7 ) 1. A gas has a volume of 1O dm3 at 10°C. At what temperature the volume of the gas is reduced to half 566k 283k 373k 142k 2. The relationship between the absolute temperature and the velocities of the gas molecules Is given by: A C B D 3. The maximum polarizability is exhibited in: C5H12 C2H6 C3H6 C6H14 4. Which of the following compound have any characteristic heat of fusion except NaCI Aluminum oxide Iron oxide Silicates 5. If the external pressure is reduced to half, the boiling point of ethanol will be: Reduced to half Equal to 78°C Less than 78°C Greater than 78°C 6. Iodine is a poor conductor of electricity because of: Face centered cubic structure Hexagonal structure Tetragonal structure Body centered cubic-structure 7. Predict the shape of CsCI having radius ratio of 0.93 Body centered cubic Octahedral Hexagonal Tetrahedral 8. The solubility of PbS at 25°C is 4.0 x 10*-28. Then ionic concentration will be: 3.0 x 10*-10 1 x 10*-14 4 x 10*-14 2 x 10*-14 9. What conditions should be applied to minimize the leftover reactant in Ammonia synthesis 200atm, 400°C 200atm, 500°C 400atm, 200°C 100atm, 400°C 10. Select the buffer solution having highest pH: A C D B Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12
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