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प्रश्न
Give reason
A red ink drop added to small amount of water in a glass turns water red in some time.
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उत्तर
If we put a drop of red ink in a glass of water, its particles diffuse with particles of water slowly but continuously and the water turns red.
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संबंधित प्रश्न
Give two example of the following:
The substances which do not change their state on heating.
State the general properties of a solid.
Give reason for the following.
Pure substances have fixed melting or boiling points.
The state of matter which has no definite shape or volume is called
- solid
- liquid
- gas
- water
Fill in the blank
The molecules are at a greater distance in ______ compared to liquids.
Bromine particles are almost twice as heavy as chlorine particles. Which gas will diffuse faster; bromine (vapour) or chlorine? Explain your answer.
State in which of the three states of matter:
The space between the particles is minimum.
Fill in the blank:
Particles in a gas possess ___________ kinetic energy.
With reference to the liquid state of matter – answer the following
State why the inter-particles attraction decreases to negligible.
Give the reason for the following
Particles of matter move more rapidly on the application of heat.
