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प्रश्न
Explain the term ‘Interconversion of matter’. With reference to ice, water, and water vapour show diagrammatically the change of state of matter from solid to liquid to gaseous and back to the original state.
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उत्तर
INTERCONVERSION OF MATTER:
“Change of state of matter from one state to another state and back to its original state is called inter-conversion of matter.”
The diagram showing the Change of State of Matter:
(a) ICE TO WATER (MELTING): Conversion of a solid into a liquid on heating
e.g. ice to water.
(b) WATER TO WATER VAPOUR (VAPORISATION): Conversion of a – liquid into vapours (or gas) on heating
e.g. water to water vapour.
(c) WATER VAPOUR TO WATER (LIQUEFACTION or CONDENSATION): Conversion of VAPOUR (or gas) into a LIQUID on cooling
e.g. water vapour to water.
(d) WATER TO ICE (SOLIDIFICATION OR FREEZING): Conversion of a LIQUID into a SOLID
e.g. water to ice.
संबंधित प्रश्न
Name the smallest particle from which matter is made up.
Give reasons
Liquids have definite volume but no definite shape
Fill in the blanks:
______ and ______ can flow.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly but do not leave the surface
Describe simple experiments to prove that solids have a definite volume
Describe simple experiments to prove that gases occupy space.
State the property of the following substance.
The melting point of ice is 0°C.
In solids, the space between the particles is less than in ______.
Complete the given analogy.
Solid: Rigidity:: Gas: ______
What is the physical state of water at 250°C.
