Which allotrope of carbon is also called a solid lubricant?

Diamond

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Lampblack

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Graphite

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Coal

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Solution

The correct option is C
Graphite

The structure of graphite is more like layers which makes it easy to move along a bond between two layers. These layers eventually makes it a solid lubricant as it can slide over layers.

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Similar questions

Ishita wanted to select one of the allotropic forms of carbon as a lubricant for fast moving machinery parts. Which material should she use and why?

(Hint: Recall the structure and uses of crystalline forms of carbon.)

Answer the following questions.

(a) What is meant by allotrope? Which are the allotropes of carbon?

(b) How is carbon dioxide gas produced in the laboratory?

(d) How is charcoal made?

A solid element X has four electrons in the outermost shell of its atom. An allotrope Y of this element is used as a dry lubricant in machinery and also in making pencil leads.
(a) What is element X?
(b) Name the allotrope Y.
(c) State whether allotrope Y is a good conductor or non-conductor of electricity.
(d) Name one use of allotrope Y (other than lubrication and pencil leads)
(e) Name two other allotropes of element X.

___ allotrope of carbon acts as a lubricant at high temperatures.

Q. How many allotropes of carbon ? Is coke and charcoal is also allotropes of carbon?justify

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Which allotrope of carbon is also called a solid lubricant?

The correct option is C Graphite The structure of graphite is more like layers which makes it easy to move along a bond between two layers. These layers eventually makes it a solid lubricant as it can slide over layers.

The correct option is C
Graphite

The structure of graphite is more like layers which makes it easy to move along a bond between two layers. These layers eventually makes it a solid lubricant as it can slide over layers.