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प्रश्न
Name the phenomenon which causes the Disappearance of camphor is
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उत्तर
Disappearance of camphor is sublimation.
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संबंधित प्रश्न
Name the terms for the force of attraction between the molecules of matter.
How a liquid changes into its gaseous state ? Explain ?
Fill in the blank
Liquids have no definite ______
Write true or false for each statement. Rewrite the false statement correctly.
Solids and liquids can flow.
Name the phenomenon which causes the Formation of water vapour from water is
What is mass?
Give reason :
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
Match the following
| Column A | Column B |
| (a) Solids | (i) Can flow in all directions |
| (b) Sublimation | (ii) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (iii) Any number of free surfaces. |
| (d) Gases | (iv) Gaps between particles. |
| (e) Intermolecular space | (v) Changes of state from solid to gas. |
Identify the odd term out and explain.
Give a reason for the following:
A crystal of iodine on slow heating in a closed flask turns into vapours and fills the complete flask.
