Online MCQs – Analytical Chemistry – Chemistry 10th

1. It deals with the identification of elements.

2. The Gas is a mobile phase in:

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

4. Spectroscopy is the interaction of light with:

5. The degree of agreement between replicate measurements of the same quantity.

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

7. Various parameters of validation of any analytical method are:
(i) selectivity & linearity
(ii) range & accuracy
(iii) precision & error

8. It is an effective tool for quality control in different industries.

9. Chemical reactions such as precipitation, oxidation or neutralization and measured by:
(i) volumetric, analysis
(ii) gravimetric analysis
(iii) combustion analysis

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

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

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

13. The physical methods used to measure physical properties are called:

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

15. It is not dependent on precisions.

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

17. They are also known as electronic spectroscopy.
(i) Ultraviolet spectroscopy
(ii) infrared spectroscopy
(iii) Visible spectroscopy

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

19. it is used for specification of functional groups in food products, polymers and industries.

20. It is also known as vibrational spectroscopy.