Question # 1

What is abuckyball

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A carbon molecule

Nickname for Mercedes -Benz's futuristic concept car (CIII)

Plastic explosives nanoparticle (C4)

Concrete nanoparticle with a compressive strength of 20 nanonewtons(C20)

Stablization of particles and their reactivity is affected by.

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Surface properties

Bulk properties

Regardless to the surface properties

No of particles

What is graphene.

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A new material made from carbon nanotubes

A one atom thick sheet of carbon

This film made from fullerene

A software tool to measure and graphically respresent nanoparticles.

The particles of about 1 nm need _______ activation energy to enter either aggregation processes or reactions to give to new chemicals.

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Higher

Lesser

N o

All above

1 meter = ___________ nm

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10⁹

10^-9

10¹⁰

10^-10

Which of the following techniques is bulk technique.

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Powder XRD

Single Crystal XRD

SEM

TEM

Which of the following does not apply to nanotechnology.

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It is a general purpose technology

It can be called Green technology

Newtonian mechanics can describe it.

It involves rearrangement of atoms

The size of nanoparticles is between __________ nm

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100 to 1000

1 to 100

0.1 to 10

0.01 to 1

Nano technology in other words is.

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Carbon engineering

Atomic engineering

Small technology

Microphysics

The hardest material found in nature is

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Steel

Topaz

Diamond

Quartz

Fullerene or bucky ball is made up of ________ carbon atoms.

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100

20

75

60

In confining and growing nano roade CNTs will act as.

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Template

Support

Source of oxidant

Sieve

The diameter of a bucky ball is about _____________

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o

1 A

1 nm

o

100 A

10 nm

The width of a typical DNA molecule is _______nm

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1

2

5

10

The most important problem regarding nano chemistry

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Elucidation of relationship between also and chemical reactivity of particle

Determination of size of particle

Determination of reactivity of particle

Determination of physical properties of nano particles.

Which of these historical works of art contain nanotechnology.

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Lycurgus cup

Medieval stained glass windows in churches

Damascus steel swords

All of the above

Which of the following is class of nanorods

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metals

alloys

Metal oxide and Metal sulphite

All of the above

In a bucky ball each carbon atom in bound in __________ adjacent carbon atoms.

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1

2

3

4

In radial direction the thermal conductivity of a nano tube is ______ watt/(m.k)

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3500

385

0

350

Attention should be focused on qualitative changes in particle properties as a function of.

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Particle numebrs

Particle mass

Particle size

Particle density

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