Question:
Major problems with the large-scale utilization of carbon nanotubes
(A) synthesis in pure forms
(B) dispersion in solvents
(C) reducing their length
(D) tailoring into a desired orientation
Major problems with the large-scale utilization of carbon nanotubes
(A) synthesis in pure forms
(B) dispersion in solvents
(C) reducing their length
(D) tailoring into a desired orientation
(A) synthesis in pure forms
(B) dispersion in solvents
(C) reducing their length
(D) tailoring into a desired orientation
Show Hint
For carbon nanotubes, achieving purity, proper dispersion, and desired orientation is crucial for effective application in advanced materials and devices.
Updated On: Sep 19, 2025
- (A), (B), and (D) only
- (A), (B), and (C) only
- (A), (B), (C), and (D)
- (B), (C), and (D) only
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The Correct Option is C
Solution and Explanation
Step 1: Identifying challenges with carbon nanotubes.
The large-scale use of carbon nanotubes faces several issues:
- (A) Synthesizing carbon nanotubes in pure forms is challenging.
- (B) Dispersion in solvents is difficult due to their strong tendency to clump together.
- (C) Reducing their length is necessary for certain applications but is hard to achieve consistently.
- (D) Tailoring their orientation is essential for specific applications, but this is not always feasible.
Final Answer: \[ \boxed{3. \text{(A), (B), (C), and (D)}} \]
The large-scale use of carbon nanotubes faces several issues:
- (A) Synthesizing carbon nanotubes in pure forms is challenging.
- (B) Dispersion in solvents is difficult due to their strong tendency to clump together.
- (C) Reducing their length is necessary for certain applications but is hard to achieve consistently.
- (D) Tailoring their orientation is essential for specific applications, but this is not always feasible.
Final Answer: \[ \boxed{3. \text{(A), (B), (C), and (D)}} \]
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