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प्रश्न
Give reasons for the following:
Solids have a definite shape and are highly rigid while gases have to definite shape and are least rigid.
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उत्तर
Solids have very closely packed atoms with minimum spaces between them while gases have atoms which are for apart with maximum spaces between them. Solids have a definite shape and are highly rigid while gases have no definite shape and are least rigid.
संबंधित प्रश्न
Give two example of the following:
The substances which sublime.
Give reason for the following.
Pure substances have fixed melting or boiling points.
Fill in the blank:
Water is a matter because it has mas and occupies....................
Fill in the blank:
..............can flow
Give reason Electricity is not considered matter .
On what basis are the three states classified of matter.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to density.
Fill in the blanks:
Matter is defined as anything that occupies _______ and has _______
Fill in the blank:
Particles in a gas possess ___________ kinetic energy.
You are provided with a mixture of naphthalene and ammonium chloride by your teacher. Suggest an activity to separate them with well labelled diagram.
