Online MCQs – Analytical Chemistry – Chemistry 10th

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

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

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

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

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

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

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

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

9. It is also known as vibrational spectroscopy.

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

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

12. It is not dependent on precisions.

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

14. Used in the analysis of pollutants in water, pharmaceutical and drugs, quality control in the food industry and clinical chemistry.

15. It deals with the identification of elements.

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

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

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

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

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