Analytical Chemistry – Online MCQs – Chemistry 10th

1. The wavelength range of ultraviolet and visible spectroscopy is:

2. The sample may be solid, liquid, gas or a __________ in qualitative analysis.

3. The identification of elements, ions or compounds present in a sample is called:

4. It is not dependent on precisions.

5. The determination of how much amount or quantity of one or more substances present in a compound or sample is called:

6. It is a method used in electro-analytical chemistry to find the concentration of solute in solution.

7. The ordinary IR region extends from 2.5 pm (wavelength) to:

8. It is the repeatability of a result and is known as the degree of exactness.

9. Chemical reactions such as precipitation, oxidation or neutralization and measured by:

(i)   volumetric, analysis

(ii)   gravimetric analysis

(iii)   combustion analysis

10. Analytical Chemistry deals with instruments and methods to _________, identify and quantify the matter.

11. They are also known as electronic spectroscopy.

12. Flame test of copper halide with bluish-green colour identity the presence of:

13. Infrared spectroscopy is an analytical technique introduced in:

14. The Gas is a mobile phase in:

15. Various parameters of validation of any analytical method are:

(i)   selectivity and linearity

(ii)   range and accuracy

(iii)   precision and error

16. An indeterminate error caused by variations of the procedure, environmental factors and limitations of instrumentation.

17. Electromagnetic radiations lower in energy than visible radiations are called:

18. It deals with the identification of elements.

19. It is the modern analytical technique which is used for the separation of compounds.

20. It is also known as vibrational spectroscopy.