Online MCQs – Analytical Chemistry – Chemistry 10th

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

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

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

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

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

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

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

8. Spectroscopy is the interaction of light with:

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

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

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

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

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

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

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

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

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

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

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

20. Infrared spectroscopy is an analytical technique introduced in: