Online MCQs – Analytical Chemistry – Chemistry 10th

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

2. It is also known as vibrational spectroscopy.

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

4. It is a measurable factor or boundary which define the performance and quality of analytical methods.

5. The Gas is a mobile phase in:

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

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

8. It is a technique used in analytical chemistry for the separation of volatile compounds.

9. The error caused by improper functioning of an instrument is:

10. Interaction of matter with radiation energy as a function of wavelength or frequency is called:

11. It is used to assess the concentration or amount of a given atomic, molecular or ionic chemical.

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

13. An agreement between a measured value and the accepted true value.

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

15. In acid?base titration if burette is not properly cleaned or rinsed will cause:

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

17. Analysis deals with the identification of the presence of functional groups in compounds is:

18. Spectroscopy is the interaction of light with:

19. Formation of the white precipitate by adding silver nitrate (AgNO₃) in dilute nitric acid (HNO₃) indicates the presence of:

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