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Are you preparing for your upcoming CBT exams and want a solid way to test your knowledge and build confidence? We’ve got something exciting for you—CBT Practice Questions with a built-in timer to simulate real exam pressure and boost your speed.

Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace ICH 113 exam

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

Do not be in a hurry to answer the questions

Do not waste time on a question you don’t know

Move as fast as possible and starting with questions that don’t have calculation first to save time

Always crosscheck

Don’t be in a hurry to submit, you are not in a competition

Don’t be scared. Getting an A is easy

Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book

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EKSU ICH 113

1 / 40

1. XRD is primarily used to determine:

A. Particle mass

B. Porosity

C. Conductivity

D. Crystal structure

2 / 40

2. Cosmetics use nanoparticles to:

A. Improve absorption

B. Change scent

C. Increase wrinkles

D. Reduce cost

3 / 40

3. The top-down approach can be described as:

A. Constructing from atoms

B. Chemical vapor deposition

C. Self-organization of molecules

D. Milling of bulk materials

4 / 40

4. Agricultural use of nanotech aims to:

A. Boost soil erosion

B. Increase pesticides

C. Replace crops

D. Reduce inputs

5 / 40

5. What is the size range of nanomaterials in at least one dimension?

A. < 1 mm

B. > 100 nm

C. < 1 µm

D. < 100 nm

6 / 40

6. Which is NOT a type of nanocomposite dimensionality?

A. Zero-dimensional

B. Two-dimensional

C. Three-dimensional

D. One-dimensional

7 / 40

7. Excitons are:

A. Vibrational energies

B. Electron-hole pairs

C. Magnetic fields

D. Chemical impurities

8 / 40

8. Which is a property studied via optical absorption spectroscopy?

A. Energy gap

B. Mass

C. Color tone

D. Diameter

9 / 40

9. Which term represents a particle with 2–13 atoms?

A. Bulk atom

B. Macrocluster

C. Microcluster

D. Nanoparticle

10 / 40

10. Silver nanoparticles in refrigerators:

A. Spoil food

B. Prevent fungal growth

C. Generate power

D. Reduce cooling

11 / 40

11. Zeolites are crystalline with:

A. Amorphous structure

B. Uniform pores

C. Random pores

D. Large gaps

12 / 40

12. Which method uses vapor phase chemicals for coatings?

A. X-ray diffraction

B. DNA synthesis

C. CVD

D. Ball milling

13 / 40

13. Tennis balls using nanoclay:

A. Get heavier

B. Become magnetic

C. Trap air better

D. Break easily

14 / 40

14. Which of the following is a zero-dimensional nanostructure?

A. Nanorods

B. Thin films

C. Nanoparticles

D. Nanotubes

15 / 40

15. In textiles, silver nanoparticles are used for:

A. Fashion

B. Weight reduction

C. Fragrance

D. Germ-free effects

16 / 40

16. The oldest colloidal synthesis was by:

A. Faraday

B. Mendeleev

C. Rutherford

D. Kunkel

17 / 40

17. Nanotechnology is important in energy because:

A. It’s expensive

B. It provides efficient materials

C. It needs no electricity

D. It uses fossil fuels

18 / 40

18. Young’s modulus is calculated as:

A. Force x Area

B. Stress / Strain

C. Strain / Stress

D. Work / Distance

19 / 40

19. Which porous material has pores <2 nm?

A. Macroporous

B. Microporous

C. Nanoporous

D. Mesoporous

20 / 40

20. Graphene is a:

A. 1D structure

B. 0D structure

C. 3D structure

D. 2D structure

21 / 40

21. What is the purpose of vacuum in evaporation methods?

A. Avoid contamination

B. Enhance colors

C. Add impurities

D. Provide oxygen

22 / 40

22. DNA can be used to synthesize:

A. CdS nanoparticles

B. Gold nanoparticles

C. Carbon nanotubes

D. Polymers

23 / 40

23. Colloids have at least one phase with dimensions less than:

A. 1 µm

B. 10 µm

C. 100 nm

D. 1 mm

24 / 40

24. Aerogels are formed by:

A. Freeze drying

B. Burning gels

C. Sol-gel method

D. Cooling gels

25 / 40

25. Ductility is defined as:

A. Resistance to heat

B. Elastic stiffness

C. Magnetic response

D. Plastic deformation at fracture

26 / 40

26. What does the “bottom-up” approach in nanotechnology utilize?

A. Lasers

B. Nanorobots

C. Large chunks of materials

D. Atoms and molecules

27 / 40

27. Which plant is used to synthesize gold nanoparticles?

A. Alfalfa

B. Rose

C. Neem

D. Basil

28 / 40

28. Melting in nanoparticles begins at the:

A. Bottom

B. Center

C. Core

D. Surface

29 / 40

29. Which synthesis technique is mechanical?

A. Microorganism synthesis

B. Ball milling

C. Colloidal route

D. DNA-based synthesis

30 / 40

30. Gold ruby glass is an example of:

A. Organic nanomaterial

B. One-dimensional composite

C. Zero-dimensional nanocomposite

D. Coated nanocomposite

31 / 40

31. In coated nanocomposites, it is important that:

A. There is mutual solubility

B. There is no mutual solubility

C. They are magnetic

D. They are biodegradable

32 / 40

32. Nanotubes are an example of which dimensional structure?

A. 2D

B. 1D

C. 3D

D. 0D

33 / 40

33. Nanoparticles in medicine can be used for:

A. Decoration

B. Data storage

C. Cooking

D. Diagnosis and drug delivery

34 / 40

34. Which microscope is used to image atomic structures?

A. Electron

B. Infrared

C. Optical

D. UV

35 / 40

35. Nanoindentation is used to measure:

A. Chemical bonding

B. Magnetic property

C. Mechanical property

D. Optical absorption

36 / 40

36. SEM stands for:

A. Scanning Electron Microscope

B. Surface Electron Mapping

C. Secondary Electron Microscopy

D. Structural Electron Model

37 / 40

37.

Clusters are aggregates of:

A. Ions

B. Gases

C. Atoms

D. Molecules

38 / 40

38. Magnetic behavior in nanoparticles is due to:

A. Lattice vibrations

B. Spin of electrons

C. Atoms only

D. Thermal motion

39 / 40

39. What causes color in stained church glass windows?

A. Metal nanoparticles

B. Heat treatment

C. Paint

D. Organic pigments

40 / 40

40. Cryo-cooling is used in ball milling to:

A. Increase temperature

B. Reduce oxidation

C. Remove impurities

D. Dissipate heat

Your score is

The average score is 58%

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EKSU ICH 113 CBT PRACTICE

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