30 Questions
What is the definition of nanomaterials according to the text?
Substances that are between 1 and 100 nm in size, at least in one of the three dimensions
Which of the following is NOT a type of natural nanomaterial?
Synthetic colloids
Which of the following is a classification of nanomaterials based on their structural configuration?
Carbon based, Organic, Inorganic, Composite
Which of the following is a classification of nanomaterials based on their potential toxicity?
Fiber like, Biopersistent, CMAR
Which of the following is NOT a classification of nanomaterials based on their number of dimensions?
Four dimensions
Which of the following is an example of a natural nanomaterial mentioned in the text?
Volcanic ash
What is the defining characteristic of three-dimensional (3D) nanomaterials?
They have at least one dimension outside the nanoscale (greater than 100 nm)
How are nanomaterials classified based on pore dimensions?
Microporous, mesoporous, and macroporous
Which of the following is an example of a macroporous material?
Porous glasses
Which of the following is not a type of organic nanomaterial?
Ferrites
Which one of the following is NOT a type of nanomaterial based on the number of dimensions?
4D nanomaterials
What is the upper limit for the diameter of mesoporous materials?
50 nm
Which of the following is an example of a 0D nanomaterial?
Quantum dots
Which of the following is a correct classification of nanomaterials based on their structural configuration?
Organic, inorganic, carbon-based, and composite
What is the defining characteristic of 1D nanomaterials?
Two dimensions (x, y) are in the nanoscale range, but one dimension (z) is outside the nanoscale
What is the key distinguishing feature of 2D nanomaterials?
One dimension is in the nanoscale range, and the other two dimensions are outside the nanoscale
Which of the following is NOT an example of a 1D nanomaterial mentioned in the text?
Nano sheets
Which of the following is NOT a type of nanomaterial based on structural makeup?
Organic materials
What are nanocapsule micelles and liposomes sensitive to?
Heat, electromagnetic radiation, and light
What distinguishes inorganic nanoparticles from other nanoparticles?
They lack carbon atoms
Which of the following is not an example of a metal oxide nanoparticle?
Carbon monoxide (CO)
How are metal-based nanoparticles synthesized?
Through destructive or constructive processes
What type of nanomaterials exhibit spontaneous magnetic order?
Concentrated magnetic semiconductor nanomaterials
What is the primary use of non-magnetic semiconductor nanomaterials?
Information processing and communications
What is the typical diameter range of Carbon Nano fiber and Carbon black particles?
20 to 70 nm
How are Composites Nanomaterials typically formed?
Nanoparticles combined with bulk-type materials
Which group of nanomaterials is classified based on their potential toxicity as CMAR nanoparticles?
Fiber-like nanoparticles
What are the workplace exposure limits for bio persistent granular nanoparticles and rigid nanomaterials?
10^4 to 10^5 fibers/m3
Which type of nanoparticles has proposed exposure limits of 2×10^7 particles/m3?
Silver nanoparticles
Which of the following is an example of a CMAR (Carcinogenic, Mutagenic, Asthma genic, Reproductive toxin) nanoparticle?
Beryllium nanoparticles
Learn about the definition of nanomaterials and their unique properties. Explore the five categories of nanomaterials based on their place of origin and number...
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