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प्रश्न
Select natural and man-made matter from the following list:
Wood, plastic, silk, medicines, detergents, coal, water, ceramic, cotton, glass, nylon, fruits.
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उत्तर
Natural matter: Wood, silk, coal, water, fruits, cotton
Man-made matter: Plastic, medicines, detergents, ceramic, glass, nylon.
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संबंधित प्रश्न
Evaporation takes place over the entire mass of the liquid.
Fill in the blank
In a solid, the molecules ............................................ but they remain at their fixed positions.
Fill in the blank
The inter-molecular forces are the weakest in ...............
Write down five general properties of solids, liquids, and gases.
Give a reason for the Pure substances have fixed melting or boiling points.
Give reason :
Liquids have a definite volume but no definite shape.
Write true or false for the statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
Multiple choice question.
Which of the following is a property of the liquids?
Multiple choice question.
Gases
Name the three states of matter and define them.
