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प्रश्न
Fill in the blank:
The process in which a solid directly changes into a gas is called ....................
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उत्तर
The process in which a solid directly changes into a gas is called sublimation.
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संबंधित प्रश्न
How a liquid changes into its gaseous state ? Explain ?
Fill in the blank:
Any matter which has a definite.................... but no definite shape is called a...............
Write true or false for statement. Rewrite the false statement correctly.
Solids and liquids can flow.
A substance which can change its state
- wood
- oxygen
- paper
- cloth
Give reason
A red ink drop added to small amount of water in a glass turns water red in some time.
Define the Gas and give two examples.
State in which of the three states of matter:
The space between the particles is minimum.
State in which of the three states of matter:
The force of attraction between the particles is very weak.
Give a reason why –
Solids have a definite volume & a definite shape.
Among the following ______ is not a mixture.
