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प्रश्न
Define the following terms: Diffusion
उत्तर
The phenomenon of intermixing or spreading of gaseous molecules is called diffusion
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संबंधित प्रश्न
What do you mean by the change of state? Write the flow chart showing the complete cycle of change of state.
Fill in the following blank with suitable words :
Scientists say that there are actually five states of matter : solid, liquid, gas, .................... and ...................
What do you understand by the term 'latent heat' ? What are the two types of latent heat ?
Which of the following process/processes release heat ?
- condensation
- vaporisation
- freezing
- melting
Give reasons:
Why a solid does not flow, but a liquid flows?
What happens to a metal ball when it is heated? What does this show?
Write whether the following statement is true or false:
Solids have the larger inter-molecular space
State which of the following statement is true or false. If false write the correct statement.
The conversion of water to ice is called freezing.
Why does this happen?
Coconut oil thickens in winter.
With reference to the liquid state of matter – answer the following
At what point will the particles become free and escape as a gas.
