Online MCQs – Analytical Chemistry – Chemistry 10th

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

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

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

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

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

6. It deals with the identification of elements.

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

8. Infrared spectroscopy is an analytical technique introduced in:

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

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

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

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

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

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

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

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

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

18. It is also known as vibrational spectroscopy.

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

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