Advertisements
Advertisements
प्रश्न
Name the phenomenon which causes the Disappearance of camphor is
Advertisements
उत्तर
Disappearance of camphor is sublimation.
APPEARS IN
संबंधित प्रश्न
Define: Gas.
Why do solids, liquids and gases differ in their physical state?
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
Fill in the blank
All the molecules of a substance are .............
Write your observation and conclusion for the following:
When a small stone is gently dipped into a glass filled with water.
Give reason :
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.
Fill in the blank
The molecules are at a greater distance in ........ compared to liquids.
Match the column.
| Column A | Column B |
| 1. iron and gold | a. molecules are very far apart |
| 2. melting | b. pure substance |
| 3. intermolecular space | c. non-metals |
| 4. compound | d. the space between the molecules |
| 5. gases | e. changes from solid to liquid |
| f. metals |
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
