Advertisements
Advertisements
प्रश्न
State in which of the three states of matter:
Are the atoms or particles far apart
Advertisements
उत्तर
Gas
APPEARS IN
संबंधित प्रश्न
When sodium chloride is added to a definite volume of water and stirred well, a solution is formed, but there is no increase in the level of water. Why?
Match the following
| Column A | Column B |
| (a) Solids | (1) Can flow in all directions. |
| (b) Sublimation | (2) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (3) Any number of free surfaces. |
| (d) Gases | (4) Gaps between particles. |
| (e) Intermolecular space | ro(5) Change of state fm solid to gas. |
What is mass ?
Give reason of The odour of scent spreads in a room.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to space.
Give a reason why –
Liquids have a definite volume but no definite shape.
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 |
Give a reason for the following:
Liquids have one free upper surface only.
Mention any two characteristics of the particles of matter.
You are provided with a mixture of naphthalene and ammonium chloride by your teacher. Suggest an activity to separate them with well labelled diagram.
