Multiple choice questions Chemistry (Analytical chemistry)

 Multiple choice questions Chemistry

10 mcqs of chemistry with answers.

 basic analytical chemistry

1.On which property gravimetric methid is based on.

(a)viscosity

(b)boiling point

(c)gas volum

(d)mass of substances

2. In a sample of matter process of determin amount of component s.

(a) volumetric analysis

(b) gravimetric analysis

(c) qualitative analysis

(d) quantitative analysis

3. which methods are chemical in nature?

(a) Acid-base titration

(b)redox reaction

(c) complexometric titration

(d) All of abaove method

4. Which methods of analysis is based on diffraction of radiations?

(a)mass spectrometry

(b) X-ray diffraction

(c) polarography

(d) potentiometry

5. Which methods are commonly used for separation of liquid component from a mixture?

(a) Distillation

(b) electrophoresis

(c) precipitation

(d)solvent extraction

6. which analytical method is based on the rotation of light radiation.

(a)Refractrometry

(b) polarography

(c) polarimetry

(d)mass spectroscopy

7.potentiometry is based on the measurement of which physical properties?

(a)current

(b) Voltage

(c)Electrical potential

(d)Thermal conductances

8.Which process use to identify components present in samples.

(a) qualitative analysis

(b) gravimetric analysis

(c) quantitative analysis

(d) volumetric analysis

9.tecniques which involves gas as the mobile phase?

(a)TLC

(b)HPLC

(c)paper chromatoy

(d)GLC

10. which technique is current voltage technique?

(a)amperometry

(b)potentiometry

(c) polarography

(d) voltammetry

Answers

1-mass substances

2-Quntitative analysis

3-All above method

4-X-Ray Diffraction

5-Distillation

6-Polarimetry

7-Electrical potential

8-Qualitative Analysis

9-GLC

10-voltammetry