Introduction to anyalytical chemistry mcqs
Answers
Answer:
Q. Nos.
1. What does QA and QC stand for?
a) Quality assurance and Queuing
control
b) Quality adjustment and Quality
completion
c) Quality assurance and Quality
control
d) Quality adjustment and Queuing
control
2. What is QA?
a) It is the measurement of degree to which a product satisfies the need
b) Any systematic process used to ensure quality in the process
c) Process of identifying defects
d) It is a corrective tool
3. Which one of these is a physicochemical property of Drug substance?
a) Drug solubility b) Disintegration time
c) Age of patient d) Dissolution time
4. Which form of drug formulation has disintegration time?
a) Injections b) Syrups
c) Capsules and Tablets d) Only tablets
5. Which one is the correct sequence for drug absorption through the oral route?
a) Absorption – Dissolution – Disintegration – Deaggregation
b) Disintegration – Dissolution – Deaggregation – Absorption
c) Disintegration – Deaggregation – Dissolution – Absorption
d) Disintegration – Deaggregation – Absorption – Dissolution
Paper II (CHEM 442)
Q. Nos.
6. Which of the following is used in electron microscope?
a) Electron beams b) Magnetic fields
c) Light waves d) Electron beams and magnetic fields
7. The secondary electrons radiated back in scanning electron microscope are collected by?
a) Specimen b) Anode
c) Vacuum chamber d) Cathode
8. The advantage of the ICP-AES technique over conventional AES analysis is that:
a) Multi-element analysis can be performed in one run
b) Multi-element analysis can be performed in sequential runs
c) Several atomic absorption spectra can be recorded simultaneously
d) Analysis of a single metal is faster
9. Which of the following is not correct about High pressure liquid chromatography (HPLC)?
a) It requires high pressure for the separation of the specious
b) There is no need to vaporize the samples
c) It is performed in columns
d) It has high sensitivity
10. Quantum dots is widely used in the following research field-
a) Crystallography b) Mechanics
c) Optoelectronics d) Quantum physics
Paper III (CHEM 443)
Q. Nos.
11. Potassium pyrosulphate is
a) A basic flux b) Used as a flux for bauxite
c) Used in nickel crucible for fusion d) Used for fusion of ilmenite
12. In the determination of molybdenum in steel by a spectrophotometric method using
thiocyanate
a) Stannous chloride is added to reduce molybdenum
b) Carbontetrachloride is added to extract molybdenum
c) It is extraced from an alkaline solution
d) Stannous chloride influences colour formation of molybdenum comples with
thiocyanate