Online MCQs – Analytical Chemistry – Chemistry 10th

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

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

3. It is not dependent on precisions.

4. It is also known as vibrational spectroscopy.

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

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

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

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

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

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

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

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

13. The Gas is a mobile phase in:

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

15. It deals with the identification of elements.

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

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

18. Infrared spectroscopy is an analytical technique introduced in:

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

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