Online MCQs – Analytical Chemistry – Chemistry 10th

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

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

3. The Gas is a mobile phase in:

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

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

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

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

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

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

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

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

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

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

14. It is also known as vibrational spectroscopy.

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

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

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

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

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

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