Question

give reason -

i) your pen is a solid
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Answer 1

Solution:

Solid is a form of substance. The interatomic forces between solid is very strong such that the atoms are very closely bound with each other. Solids are very hard.

There are many reasons that pen is a solid :

• The one of the important reason is that there are tightly packed molecules in the pen.
• Pen has a definite shape and volume.
• Pen when hits the ground, produces sound.
• Pen is not fluid like gases and liquids.

Answer 2

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Solids are very hard. There are many reasons that pen is a solid : The one of the important reason is that there are tightly packed molecules in the pen. Pen has a definite shape and volume.