Analytical Chemistry – Online MCQs – Chemistry 10th

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

2. It is not dependent on precisions.

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

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

(i)   selectivity and linearity

(ii)   range and accuracy

(iii)   precision and error

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

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

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

(i)   volumetric, analysis

(ii)   gravimetric analysis

(iii)   combustion analysis

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

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

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

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

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

13. The Gas is a mobile phase in:

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

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

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

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

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

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

20. It is also known as vibrational spectroscopy.