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प्रश्न
Fill in the blank:
The change of water vapour into water is called ......................
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उत्तर
The change of water vapour into water is called condensation.
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संबंधित प्रश्न
Define the following terms.
Atom
Name the three states of matter and define them.
Write whether the following statement is true or false.
All solids, on heating, first change to the liquid and then to the gaseous state always.
Give reasons for the following:
Water on freezing turns into ice.
Name the three states of matter.
Give a reason why solids and liquids co-exist at their melting points.
Match the characteristics of the three states of matter in List I with their correct answer from List II.
| List I | List II |
| 1. Have no definite shape, volume or free surface | A: Solids only |
| 2. Are highly compressible and least rigid | B: Liquids only |
| 3. Have a definite volume, no definite shape and are slightly diffusable | C: Gases only |
| 4. Are not compressible and have no diffusability | D: Liquids and gases only |
| 5. Have mass and occupy space | E: Solids and gases only |
| F: Solids, liquids and gases |
Fill in the blank:
The three states of matter are classified on the basis of differences of certain _________.
Water obtained from tube wells is usually ______ water.
Which one of the following element name is not derived from planet?
