How is graphene produced from carbon nanotubes (CNTs)?

How is graphene produced from carbon nanotubes (CNTs)? Correct Answer Etching

Graphene can be produced from carbon nanotubes (CNTs) by cutting or etching them. This method can result in both single layered and multi layered graphene, depending upon the precursor nanotubes. If the starting nanotubes are single walled carbon nanotubes (SWCNT), they result in single layered graphene. While multi-walled carbon nanotubes (MWCNT) result in multi layered graphene upon unzipping CNT.
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With reference to carbon nanotubes, consider the following statements 1. They can be used as carriers of drugs and antigens in the human body. 2. They can be made into artificial blood capillaries for an injured part of the human body. 3. They can be used in biochemical sensors. 4. Carbon nanotubes are biodegradable. Which of the statements given above are correct?
Which of the following statement(s) is/are correct regarding allotropes of carbon: 1. Diamond is an extremely hard, transparent crystal, with carbon atoms arranged in a tetrahedral lattice.  2. Lonsdaleite is a soft, black, flaky solid, moderate electrical conductor. 3. Graphene is the basic structural element of other allotropes, nanotubes, charcoal, and fullerenes. Select the correct code given below.
Researchers from which of the following institutes have shown that a chemical called Nickel cobalt phosphite (NiCo-Phi) decorated with carbon nanotubes (CNTs) can facilitate ORR to produce H2O2 selectively in high yield?
What does the term ‘carbon count’ means? 1. A measure of the amount of carbon dioxide you produce through your lifestyle every day. 2. A measure of the amount of carbon present on Earth. 3. A measure of the amount of carbon and carbon dioxide on Earth. Select the correct answer using the code given below.
Combined carbon content in iron and steel is determined by treating the sample with dilute HNO3. So that combined carbon forms a soluble brown nitrated compound, the intensity of which is matched with that of a standard sample of similar composition treated under similar condition. The intensity of color produced is proportional to the carbon content of iron of steel sample. This method of combined carbon determination is called the
Hydrothermal self-assembly method of graphene synthesis has many benefits but it is incapable of controlling the thickness of graphene sheets produced.
Which one of the following properties is not observed in the carbon nanotubes?
Which of the following represents the properties of carbon nanotubes? 1. High electrical conductivity 2. Very high tensile strength 3. High thermal conductivity 4. Low thermal expansion coefficient Select the correct answer using the code given below
Carbon nanotubes display magnetoresistance at low temperature.
Carbon nanotubes are poor transmitters of electromagnetic radiations due to their ____________