Mock Exam Q's Flashcards
What does an oxidation reaction involve?
- Gain of oxygen
- Loss of hydrogen
- Loss of electrons
Define ‘bacteriostatic’
Stop bacteria reproducing
What does the Fourier Transform Infrared Spectroscopy identify?
Functional groups
A patient dissolves two 500 mg paracetamol tablets in 140 ml of water. What is the percentage strength of the solution?
0.71%
What are the 4 phases of pharmacokinetic pathway?
- Absorption
- Distribution
- Metabolism
- Excretion
What is the wavelength associated with UV spectroscopy?
100-400nm
What is the percentage v/v of alcohol in a mixture of 300 mL of 40% v/v alcohol with 500 mL of 21% v/v alcohol and water to make the final volume to 1L? (Assume no concentration)
22.5%
Ster-Zac Bath Concentrate contains 2% triclosan and to prevent cross-infection 28.5 mL should be put in a bath. How much triclosan would the bath contain?
570mg
Bioreactors used for penicillin manufacture require which of the following parts to work effectively?
- Baffles
- Spargers
- Turbine
What type of system is a batch reactor?
Closed
The different types of column chromatography, which among these is incorrect?
High Performance Thin Layer
SDS-PAGE separates proteins on the basis of which of the following characteristics?
Molecular weight
Why is a spectrophotometer important in science?
To determine concentration of a chemical in a material?
Why is a spectrophotometer important in science?
To determine; chemical makeup, reaction progress & concentration of a chemical in a material
For the separation of which substances is Gas-solid chromatography is used?
Low molecular weight gaseous species
What is the factor responsible for the separation in column chromatography?
Polarity differences to the solute
What type of mixture is chromatography used to separate?
Complex mixtures.
List 5 areas of chemical engineering that are useful in pharmaceutical manufacturing.
- Mass & heat transfer
- Reaction kinetics
- Separation & purification
- Bioreactor design
- Thermodynamics
What is the molarity of a solution formed from dissolving 6.75 g NaCl in 452 ml water?
0.256
Explain how you will obtain a 100 ml solution of 55 mM NaCl from a 1 M solution in water.
5.5 mL NaCl and 94.5 mL H2O
What are the conditions for autoclaving?
Moist heat and high pressure steam at 121 C.