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Diamond

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which type of Carbon is a Diamond?

a)

Amorphous Carbon

b)

Lamp Black

c)

Charcoal

d)

Crystalline form

2.

Diamond is the purest form of Graphite.

a)

True

b)

False

3.

Pure Carbon is mixed with Molten Iron at temperatures around _________ in a electric furnace.

a)

3000o K3000^{o\ }K

b)

3600oK3600^oK

c)

3000oC3000^oC

d)

None of the above

4.

Pure diamond is colourless and transparent.

a)

True

b)

False

5.

What are the 4 C's of diamond?

a)

Colour, Clarity, cute, Carat weight

b)

Colour, Clarity, Cut and Carat weight

c)

Color, Charming, Cut, Carat weight.

d)

It dosen't have any C's.

6.

Name any Rarest colour Diamonds

a)

Red

b)

Blue

c)

Yellow

d)

Brown

7.

Black diamond is used as bearings in watches.

a)

True

b)

False

8.

Can you name this?

a)

Hope Diamond

b)

Kohinoor Diamond

c)

Marquise Diamond

d)

Cushion Diamond

9.

Koh-i-noor is in Persian and means

a)

"Light"

b)

"Mountain"

c)

"light of mountain"

d)

"Mountain of Light"

10.

Diamond is a non-conductor of Electricity.

a)

True

b)

False