GCSE - Gcse Chemistry - Nanotechnology Solution - MCQGeeks.com

Q.1.

What size of particles does nanoscience deal with?

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1 - 100nm
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100 - 1,000nm
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1,000 - 100,000nm
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1,000,000 - 10,000,000nm

Q.2.

What is nanotechnology?

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The manipulation of matter with an ipod nano
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The manipulation of matter on an atomic level
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The manipulation of matter on a macromolecular level
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The manipulation of matter on a huge scale

Q.3.

Some people are concerned that nanoparticles could be...

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too small to be able to manipulate
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too small to be of any use
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too small to see
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toxic to humans

Q.4.

Why are silver nanoparticles added to socks?

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They prevent socks getting taken by the sock monster
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They help the socks absorb moisture
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They stop the socks from smelling
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They make the socks lighter

Q.5.

Which of the following properties does NOT change when dealing with nanoparticles of a substance?

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Melting point
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Sensitivity to light
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Atomic structure
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Intermolecular forces

Q.6.

The surface area to volume ratio for nanoparticles is...

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much greater than for larger particles
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much smaller than for larger particles
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the same as larger particles
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there is no difference if the particle is the same substance

Q.7.

Why might nanotubes be useful as drug delivery systems?

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They are expensive
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They are strong
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They are light
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They are hollow

Q.8.

Why are nanoparticles used in tennis rackets?

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To make them lighter and stronger
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To make them faster and more accurate
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To make them faster and lighter
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To make them more accurate and stronger

Q.9.

Which of the following is NOT a current use for nanoparticles?

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Sports equipment
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Weapons
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Clothing
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Sun creams

Q.10.

Nanoparticles are measured in...

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metres
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millimetres
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nanometres
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centimetres