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प्रश्न
Give reasons for the following:
Sugar can be distinguished from talcum powder using water.
उत्तर
Sugar is soluble in water whereas talcum powder is not.
संबंधित प्रश्न
What are fluids ? Give two examples.
Define interconversion of states of matter.
Write whether the following statement is true or false.
Solids have the largest inter-molecular space.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly.
The process by which a solid changes into a liquid is called
- freezing
- melting
- condensation
- evaporation
State two characteristics of matter demonstrated by diffusion.
In which of the following conditions, the distance between the molecules of hydrogen gas would increase?
- increasing pressure on hydrogen contained in a closed container
- some hydrogen gas leaking out of the container
- increasing the volume of the container of hydrogen gas
- adding more hydrogen gas to the container without increasing the volume of the container
Complete the statement given below by selecting the correct word.
The space between atoms in gases is maximum while in ____ is minimum,
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to free diffusion.
In which of the three states of matter – solids, liquids, or gases is the movement of atoms about their own position. Give a reason for the same.
