NAT I Medical Chemistry With Answers

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NAT I Medical Chemistry

Sr. # Questions Answers Choice
1 The molal elevation constant is the ratio of the elevation in boiling point to Molarity Molality Mole fraction of solute Mole fraction of solvent
2 Which inorganic precipitate acts as semipermeable membrane? Calcium sulphate Barium oxalate Nickel phosphate Copper ferrocyanide
3 The movement of solvent molecules through a semipermeable membrane is called Electrolysis Electrophoresis Osmosis Cataphoresis
4 Saturated solution of NaCI on heating becomes Super saturated Unsaturated Remains saturated None
5 The osmotic pressure of solution increases if Temperature is decreased Solution constant is increased Number of solute molecules are increased Volume is increased
6 Which of the following is a colligative property? Melting point Osmotic pressure Freezing point Sublimation temperature
7 In cold countries ethylene glycol is added to water in radiators of cars during winter It result in Lowering in b.pt. Reducing viscosity Reducing specific heat Lowering in freezing pt.
8 The freezing point of 1 molal NaCI solution assuming NaCI to be 100% dissociated in water in -1.86°C -3.72°C +1.86°C +3.72°C
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