Online MCQs – Analytical Chemistry – Chemistry 10th

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

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

3. Spectroscopy is the interaction of light with:

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

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

6. It is not dependent on precisions.

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

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

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

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

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

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

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

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

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

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

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

18. It deals with the identification of elements.

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

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