Physical Property of Non-Metal - Hardness
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.
The non-metal which is hard is _______ | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct : (a) Most of the Solid Non-Metals are Quite Soft. (b) Diamond is the hardest natural substance known.
| |||
| Right Option : C | |||
| View Explanation | |||
Sulphur and phosphorus are soft non-metals which can be easily cut into pieces with a knife are the example of ______________________ | |||
| Right Option : A | |||
| View Explanation | |||
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