Physical Property of Non-Metal - Hardness


 
 
Concept Explanation
 

Physical Property of Non-Metal - Hardness

 Hardness

Hardness is defined as the property of material to resist deformation.

Hardness of Non- metals

Non- metals are generally soft (eg: phosphorus and sulphur). Diamond is an exception. It is the hardest substance known. They can be easily broken. Their tensile strength is low.

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Sample Questions
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Question : 1

Which of the following is a hardest non metal ?

Right Option : C
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Question : 2

The non-metal which is hard is _______

Right Option : D
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Question : 3

The hardest substance is formed of which of the elements is _____________

Right Option : C
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