Carbon Nanotubes — Prelims Questions

Which of the following statements about Carbon Nanotubes (CNTs) is/are correct? 1. All Carbon Nanotubes are metallic conductors. 2. Chirality determines the electronic properties of a CNT. 3. Multi-Walled Carbon Nanotubes (MWCNTs) are generally easier to synthesize in bulk than Single-Walled Carbon Nanotubes (SWCNTs). Select the correct answer using the code given below:

Which of the following properties makes Carbon Nanotubes (CNTs) particularly suitable for lightweight aerospace composites? 1. High electrical conductivity 2. Exceptional strength-to-weight ratio 3. Anisotropic thermal conductivity 4. High surface area for adsorption

Consider the following statements regarding the synthesis of Carbon Nanotubes (CNTs): 1. Laser ablation is a highly scalable and cost-effective method for mass production. 2. Chemical Vapor Deposition (CVD) allows for direct growth of CNTs on substrates. 3. Arc discharge typically produces high-quality CNTs but with low yield. Which of the statements given above is/are correct?

Which Indian government initiative primarily supports research and development in nanotechnology, including Carbon Nanotubes?

The potential toxicity of inhaled Carbon Nanotubes (CNTs) is often compared to which known hazardous material due to similar observed pathological effects in some studies?