EASY
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Charcoal is produced by burning wood or other organic matter in a low oxygen environment.

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Important Questions on Carbon and Its Compound

MEDIUM
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Which of the following pairs have layer lattice structure in solid-state chemistry
EASY
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Which one is not an allotrope of carbon nanostructure?
EASY
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Which of the following element does not show allotropy?
MEDIUM
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Allotropy is a property shown by which class of substances, elements, compounds mixtures? Give one example of allotropes of carbon.
EASY
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Write the name of two allotropes of carbon.
EASY
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Graphite and Diamonds are two _____.
MEDIUM
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Which of the following is not an allotropic form of carbon-
EASY
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
A non-metal X exists in two different forms Y and Z. Y is the hardest natural substance, whereas Z is a good conductor of electricity. Identify X, Y, and Z.
HARD
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Explain the structure of carbon nano-buds.
MEDIUM
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Define allotrope of an element with examples. 

 
EASY
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Buckminsterfullerene is an allotropic form of the element:
HARD
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Describe the structure of graphite with the help of a labelled diagram.
MEDIUM
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
How does graphite act as a lubricant?
MEDIUM
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Why is diamond used for making cutting tools (like glass cutters) but graphite is not?
EASY
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
A diamond-toothed saw is usually used for cutting:
MEDIUM
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Name the black substance of pencil. Will the current flow through the electrical circuit when we use the sharpened ends of the pencil to complete the circuit?
EASY
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
One of the following is not an allotrope of carbon. This is:
HARD
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Write two points of difference in the structures of diamond and graphite.
MEDIUM
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
What is buckminsterfullerene? How is it related to diamond and graphite?
MEDIUM
Science>Chemistry>Carbon and Its Compound>Allotropes of Carbon
Give any two differences between the properties of diamond and graphite. What causes these differences?