Nanochemistry - class-IX
Description: nanochemistry | |
Number of Questions: 43 | |
Created by: Varsha Mane | |
Tags: chemistry materials applied chemistry |
Quantum dot is a___________.
Nano wires and Nano tubes are:
The advantages of using nanoparticles as a drug delivery system include:
Increased relative surface area, and quantum effects of nano particles increase the which of the following properties :
Materials which have one dimension in the nanoscale (and are extended in the other two dimensions) are:
What are the dimensions of nanomaterials?
Which of the following are applications of Nano particles?
Carbon nano tubes are made up of:
Which of the following are production methods of nanomaterials?
The size of a nano particle is ____________ of a typical bacterium.
Which of the following statement(s) is true?
Nanoparticles are the nanomaterials with ____ dimension(s) between 1 nm and 100 nm.
Which of the following is/are true?
1 nm is the width of __________ hydrogen atoms placed side by side.
The size of nano materials lies between the width of ______ hydrogen atoms laid side by side.
Which of the following is true?
Which of the following is true?
Which of the following is / are true?
The size of a nano particle is about _________ times smaller than the diameter of a single strand of human hair.
____________ nanotubes are used as strengthening rods and toughening elements in structural composite materials.
Which of the following lists the disadvantages of nanomaterials?
Which of the following lists the disadvantages of nanomaterials?
The nanomaterials are classified into which of the following?
Gold nanoparticles are highly effective as:
_______ nanoparticles are widely used in sunscreens and cosmetics, stain resistant fabrics and dirt repellent paints.
Which of the following is true?
In future nanomaterials can be used to detect human cancer at its __________.
Which of the following are applications of carbon nano tubes?
Nano science deals with the scientific study of objects with sizes in the ____ range in at least one dimension.
In which of the following type of nano material all the dimensions are measured within the nano scale?
In which of the following type of nano material two dimensions are outside the nano scale?
Which of the following nano materials are examples of two dimensional nano materials?
An important parameter that determines the functioning of nano material is surface area to volume ratio. Because of which reason small granules of sugar dilute faster than big piece of sugar cube?
Thus nanoparticles have a much ____________ surface area per unit mass compared with larger particles.
In which of the following type of nano-material, one dimension is outside the nano scale?
Which of the following nano materials are examples of one dimensional nano materials?
Which of the following nano materials are examples of three dimensional nano materials?
Quantum dots are semiconductor nano particles that are about________ nm in diameter.
Nano science is the study of objects of particles of
Which of the following nano materials are examples of zero dimensional nano materials?
Which of the following are the nanomaterials with only one dimension between 1 nm and 100 nm?
In which of the following type of nano material three dimensions are outside the nano scale technology deals with using?
Which of the following are characteristic properties of nano particles?