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प्रश्न
Complete the blank with reference to interconversion of matter on the basis of kinetic theory-with the word ‘increase’, ‘decreases’, ‘gain’, ‘lose’, or ‘overcome’ in the following case.
During sublimation, the inter-particle attraction is _______________.
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उत्तर
During sublimation the inter-particle attraction is overcome.
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संबंधित प्रश्न
Give reason:
A red ink drop added to small amount of water in a glass turns water red in some time.
Fill in the blank:
The physical state of a substance, which has a fixed volume but no fixed shape is .........
Match the following
| Column A | Column B |
| (a) Solids | (1) Can flow in all directions. |
| (b) Sublimation | (2) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (3) Any number of free surfaces. |
| (d) Gases | (4) Gaps between particles. |
| (e) Intermolecular space | ro(5) Change of state fm solid to gas. |
Give reason:
A drop of ink added to water in a glass turns whole water blue.
Give reason Gases can be compressed easily .
Give reason of When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.
Fill in the blank
When a gas is cooled, its molecules ________ energy,
What is the general name of :
- rigid form of matter ?
- fluid forms of matter ?
State in which of the three states of matter:
The movement of the particles is neither about their own positions nor in any random direction.
With reference to the liquid state of matter – answer the following
State why the inter-particles attraction decreases to negligible.
