SCHOOL OF PHARMACY & BIO MOLECULAR SCIENCES
LEVEL 4 EXAMINATION
MODULE CODE: 4001PHASCI
MODULE TITLE: PHYSICAL PHARMACEUTICS
Date:SAMPLE PAPER
Time Allowed: 2HOURSINSTRUCTIONS TO Candidates All questions are worth equal marks.There are 50 multiple choice questions in this exam.The questions must be answered on the answer sheet provided.Additional permitted materials:CALCULATORS with no more than TWO lines of alpha-numeric display Equation list, as provided Banned materials: As specified by the University’s Assessment Regulations.
Page 2of 191.Refer to Figure 1 below. What is represented by the line between points F and G on the phase diagram?A)The boiling point of the substance as it varies with pressure B)the melting point of the substance as it varies with pressure C)the formation of an azeo tropic mixture DT.The formation of a eutectic mixture E)the critical point as it varies with pressure pressure temperature Figure 1. A temperature-pressure phase diagram for a single substance.2.The Root Mean Squared (RMS) Speed (or velocity) of nitrogen molecules at 20ºC is which ONE of the following?[The Gas Constant is 8.314 J K-1mol-1and the relative molecular mass of nitrogen is 28.02.]A)4ms-1B)16ms-1C) 133ms-1D) 511ms-1E) 536ms-1G liquid solid gasF
Page 3of 193.The inter-molecular forces between molecules in a gas are…A)Repulsive at long distances and attractive at very short distances B)Attractive at long distances and repulsive at very short distances C)Attractive at all distances D)Repulsive at all distances E)Non-exist ant ingases4. Water has an anomalously high boiling point due to its…A)low molecular mass B)high refractive index C)high bond polarity D)high heat capacity E)low vapourpressure5.A phase boundary of a substance indicates…A)a point at which the substance changes from one phase to another B)the normal melting point or normal boiling point of the substance C)the most stable phase of the substance D)the most unstable phase of the substance E)a dynamic equilibrium between any two phases of thesubstance6.The failure of the ideal gas law is most pronounced under which conditions?A)at moderate temperature and pressure B)at moderate temperature and low pressure C)at low temperature and moderate pressure D)at low temperature and high pressure E)at high temperature and lowpressure7.A sealed bulb full of carbon dioxide gas has how many degrees of freedom?A)0B)1C)2D)3E)
