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Question

The crystalline forms of carbon are diamond, graphite and ________.
  1. lamp black
  2. fullerene
  3. coke
  4. none of these

A
coke
B
lamp black
C
none of these
D
fullerene
Solution
Verified by Toppr

In crystalline forms, the atoms of the substance are arranged in a regular interval.
In diamond, graphite, and fullerene the carbon atoms are arranged in a regular interval. Thus these are the crystalline forms of the carbon atom.

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Q1
The crystalline forms of carbon are diamond, graphite and ________.
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Differentiate between:

(a) The crystalline and non-crystalline or amorphous forms of carbon.

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Statement 2: Graphite and diamonds are examples of non-crystalline forms of carbon.
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