Question # 1

Which idea of envisioned the construction of nano robots

Choose an answer

Building nano materials atom by atom

Destruction of macromolecules to nano ones

Bothe of the above

None of the above

1 meter = ___________ nm

Choose an answer

10⁹

10^-9

10¹⁰

10^-10

How many oxygen atoms lined up in a now would fit in a one nanometer speace.

Choose an answer

None an oxygen atoms is bigger than 1 nm

One

Seven

None of the above

Who prepared and explained nano tubes for the first time.

Choose an answer

Sumio Tijima

Richard Smaley

Erick Drexler

Richard Feynamann

Stablization of particles and their reactivity is affected by.

Choose an answer

Surface properties

Bulk properties

Regardless to the surface properties

No of particles

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

Choose an answer

Particle numebrs

Particle mass

Particle size

Particle density

The hardest material found in nature is

Choose an answer

Steel

Topaz

Diamond

Quartz

Who was the first scientist to describe that substance having Nano dimensions possess altogether different and unique properties.

Choose an answer

Richard Feynamann

Erick Drexler

Archimedes

Michael Faraday

Which of the following is class of nanorods

Choose an answer

metals

alloys

Metal oxide and Metal sulphite

All of the above

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

Choose an answer

3500

385

0

350

What is abuckyball

Choose an answer

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)

In confining and growing nano roade CNTs will act as.

Choose an answer

Template

Support

Source of oxidant

Sieve

A considerable number of atoms pertaining to the surface_____ with the decreasing the particle size.

Choose an answer

Increase

Decrease

No effect

Both a and b

Which of these historical works of art contain nanotechnology.

Choose an answer

Lycurgus cup

Medieval stained glass windows in churches

Damascus steel swords

All of the above

A diameter of human hair is approximately ________________ m

Choose an answer

75000

75

7.5 x 10^-5

7.5 x 10^-9

Which ratio decides the efficiency nano substance.

Choose an answer

Weight /volume

Surface area/volume

Volume/weight

Pressure/volume

Which of the microscope techniques is similar to the Atomic Force Microscopy (AFM)

Choose an answer

Scanning Electron Microscopy

Scanning Tunneling Microscopy

Transmission Electron Microscopy

None of the above

The diameter of fly ash particles is._________ micro meter

Choose an answer

5-10

10-20

20-30

100

The electrical conductivity of a nano tube is __________ times that of copper.

Choose an answer

10

100

1000

1/100

The ration of thermal conductivity of silver to that of a carbon nanotube is.

Choose an answer

100 : 1

1 :100

10:1

1:10

Who coined the word nanotechnology.

Choose an answer

Eric Drexler

Richard Feynamann

Sumio tijma

Richard smalley

The size of quantum dot is ________________m

Choose an answer

5

5 x 10^-9

5 x10^-10

5 x10^-11

The prefiex 'nano' comes from a

Choose an answer

French word meaning billion

Greek word meaning dwarf

Latin word meaning invisible

Spanish word meaning particle

Alpha hematite nano tubes show dimensional magnetic ordering at temperature laser than 300 K.

Choose an answer

0

1

2

3

1 nanometre =___________ cm

Choose an answer

10^-9

10^-8

10^-7

10^-6

More Classes

Other Links

PPSC Chemistry Part VII NanoChemistry Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer