Punjab 12th Class Chemistry Analytical Chemistry Mcqs Test Online

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• >>

 

Question 1 of 20

Chemistry

1. What kind of sample can be studied in a mass spectrometer?

1.A solid

2.A gas

3.A liquid

4.All of these

Question 1 of 20

Question 2 of 20

2. Mass spectrometry can be used to determine:

1.Molecular weight

2.Molecular structure

3.All of these

4.Molecular formula

Question 2 of 20

Question 3 of 20

3. Which of the following is used as a source of visible radiations?

1.Deuterium discharge lamp

2.Hydrogen discharge lamp

3.Tungsten filament lamp

4.All of these

Question 3 of 20

Question 4 of 20

4. Which of the following species is produced in the ionization chamber of a mass spectrometer?

1.Neutral molecules

2.All of these

3.Radicals

4.Positively charges species

Question 4 of 20

Question 5 of 20

5. Which region of the electromagnetic spectrum is involved in mass spectrometry?

1.Microwave

2.Visible

3.Radio wave

4.None of these

Question 5 of 20

Question 6 of 20

6. The position of an infrared absorption band is commonly expressed by:

1.Wavelength

2.None of these

3.Both of these

4.Wave number

Question 6 of 20

Question 7 of 20

7. Near ultraviolet region of these electromagnetic spectrum generally lies between:

1.400-750 nm

2.200-400 nm

3.10-200 nm

4.300-500 nm

Question 7 of 20

Question 8 of 20

8. What is the wavelength range of the ordinary infrared region?

1.2.5-16 μm

2.400-800 nm

3.800-1000 nm

4.0.8-2.5 μm

Question 8 of 20

Question 9 of 20

9. Which region of the electromagnetic spectrum is involved in the electronic excitations?

1.None of these

2.Visible

3.Both of these

4.Ultraviolet

Question 9 of 20

Question 10 of 20

10. Far infrared region of the electromagnetic radiation generally lies between:

1.10-200 nm

2.50-1000 nm

3.100-400 nm

4.1-20 nm

Question 10 of 20

Question 11 of 20

11. Which method combines the physical separation capabilities of liquid chromatograph with the mass analysis capabilities of mass spectrometry:

1.NMS

2.LC – MS

3.MS

4.GE – MS

Question 11 of 20

Question 12 of 20

12. Which of the following techniques is different from the others as regards the basic principle?

1.None of these

2.Visible spectroscopy

3.Electronic spectroscopy

4.Ultraviolet spectroscopy

Question 12 of 20

Question 13 of 20

13. Mass spectroscopy is an analytical technique which involves:

1.Production of gaseous ions form the sample

2.Separation of the gaseous ions

3.All of these

4.Measurement of the relative abundance of the gaseous ions

Question 13 of 20

Question 14 of 20

14. Which of the following is not used as a source of infrared radiations?

1.None

2.Tungsten filament

3.Nernst filament

4.Globar

Question 14 of 20

Question 15 of 20

15. Which method combines the feature of gas-liquid chromatography and mass spectrometry:

1.MS

2.HPLC – MS

3.GC – MS

4.LC – MS

Question 15 of 20

Question 16 of 20

16. Far ultraviolet or vacuum ultraviolet region generally lies between

1.400-750 nm

2.300-500 nm

3.10-200 nm

4.200-400 nm

Question 16 of 20

Question 17 of 20

17. Which of the following species is detected in the mass spectrometer?

1.Positively charged species

2.All of these

3.Radicals

4.Neutral molecules

Question 17 of 20

Question 18 of 20

18. Which of the following techniques does not involve electromagnetic radiations?

1.Infrared spectroscopy

2.NMR spectroscopy

3.All of these involve electromagnetic radiations

4.Mass spectroscopy

Question 18 of 20

Question 19 of 20

19. Which kind of information about a positively charged species obtained from a mass spectrum?

1.Molecular weight

2.Relative abundance

3.None of these

4.Both of these

Question 19 of 20

Question 20 of 20

20. The application of chemistry to criminal investigation is called:

1.Organic chemistry

2.Bio chemistry

3.Forensic chemistry

4.Physical chemistry

Question 20 of 20

 Loading...

 

Other Related test

• Punjab 12th Class Biology Chapter 20 Chromosome and DNA Mcqs Test Online
• Punjab 9th Class Chemistry Model Paper 1 Mcqs Test Online
• Punjab 12th Class Computer Chapter 6 Functions Mcqs Test Online
• Punjab 12th Class Computer Chapter 13 Creating Reports in Access Mcqs Test Online
• Punjab 11th Class Chemistry Chapter 4 Liquids and Solids MCQs Test Online
• Punjab 12th Class Physics Chapter 1 Electrostatics Mcqs Test Online
• Punjab 10th Class English Chapter 4 First Aid Mcqs Test Online
• Punjab 11th Class Math Chapter 14 Solutions of Trigonometric Equations Mcqs Test Online
• Punjab 11th Class Biology Chapter 9 Kingdom Plantae of Life Mcqs Test Online
• Punjab 12th Class Physics Chapter 2 Current Electricity Mcqs Test Online