Online MCQs – Analytical Chemistry – Chemistry 10th

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

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

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

4. It is not dependent on precisions.

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

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

7. The analytical chemistry consists of _______ main types of analysis.

8. Spectroscopy is the interaction of light with:

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

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

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

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

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

14. The Gas is a mobile phase in:

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

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

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

18. It is also known as vibrational spectroscopy.

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

20. Infrared spectroscopy is an analytical technique introduced in: