Online MCQs – Analytical Chemistry – Chemistry 10th

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

2. It is not dependent on precisions.

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

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

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

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

7. It is also known as vibrational spectroscopy.

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

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

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

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

12. Infrared spectroscopy is an analytical technique introduced in:

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

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

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

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

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

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

19. It deals with the identification of elements.

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