List of practice Questions

Which centrifugation depends on buoyant densities?
What is the problem in the evaporation in the climbing film evaporator?
Calandria consists of several:
Which one of the following parameters of the finished product is NOT influenced by the selection of size reduction equipment?
A tablet to treat a headache must first be dissolved in water before swallowing. Which one of the following best describes this type of tablet?
A drug suspension decomposes by zero-order kinetics with a rate constant of \(2 \, \text{mg} \, \text{mL}^{-1} \, \text{month}^{-1}\). If the initial concentration is \(100 \, \text{mg} \, \text{mL}^{-1}\), what is the shelf life (\(t_{10\%}\))?
A drug solution decomposes via first-order kinetics with a rate constant, \( k \), of \( 0.0077 \, \text{days}^{-1} \). What is the half-life of the drug in solution?
Simple syrup is a saturated solution of:
The spatulation process is well suited for mixing of which of the following powder?
A suspension is formed from uniform particles of solid, of diameter 10 Mm, suspended in a solvent. What is the best description of this system?
In the DLVO theory of colloids, normal thermal motion may be sufficient to overcome the energy barrier that leads to irreversible particle aggregation. Which one of the following is the name of this energy barrier?
An Isosbestic point is a:
DNA denaturation is an example of which type of shift?
Which movement is required for the IR spectroscopy?
In which bending type of vibration bond angle is constant?
Which of the following is the disadvantage of reciprocating pump used in liquid chromatography?
Which of the following will improve the efficiency of the separation process in liquid chromatography?
Which of the following cannot be done to reduce ripple in High-pressure liquid chromatography?
In reverse phase chromatography, the stationary phase is made by
Which of the following HPLC detectors is used as a bulk property or general-purpose detector?
Which of the following techniques would be most useful to identify as well as quantify the presence of a known impurity in a drug substance?
Which of the following is not true about the guard column used in liquid chromatography?
Which of the following is not true about Hydraulic capacitance flow control system used in HPLC?
Morphine is the structure chiefly responsible for the biological activity of opium. What is the name given to the chemical that is chiefly responsible for the biological activity of a natural extract?
What is the predominant \( \beta \)-adrenoceptor in bronchial smooth muscle?