Advertisements
Advertisements
Question
State what would you observe if
(a) sugar is added to pebbles take in a plastic beaker
(b) sand is added to glass balls in a beaker. What would you conclude from this imaginative demonstration?
Advertisements
Solution
Experiment: Add sugar to pebbles taken in a plastic beaker or sand to glass balls in a beaker.
Observation: The sugar or the sand goes into the space between the pebbles & the glass balls respectively.
Conclusion: An imaginative demonstration to show that intermolecular spaces between particles are occupied easily.

RELATED QUESTIONS
Write true or false for the following statement
In a gas, the molecules can move anywhere in space.
Fill in the blank
The gases are .......... dense.
Select the correct alternative
The solids are
How a liquid changes into its gaseous state? Explain?
What happens when a solid is heated?
Differentiate between the following:
Liquids and gases
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Match the characteristics of the three states of matter in List I with their correct answer from List II.
| List I | List II |
| 1. Are highly rigid and have a definite shape | A: Solids and gases only |
| 2. Have no definite shape | B: Solids only |
| 3. Have definite volume but no definite shape | C: Liquids and gases only |
| 4. Are highly compressible and least rigid | D: Gases only |
| 5. Have no definite volume | E: Solid, liquids and gases |
| 6. Have no definite shape and volume |
F: liquids only |
| 7. Occupy space | G: Solids and liquids only |
| 8. Are not compressible | |
| 9. Are slightly compressible | |
| 10. Have mass |
Match the arrangement of atoms in the three states of matter in List I with the correct state in List II.
| List I | List II |
| 1. Arrangement of atoms is far apart | A: Solids |
| 2. Force of attraction between atoms is very strong | B: Liquids |
| 3. Movement of atoms is in any random direction | C: Gases |
| 4. Particles diffuse very easily | |
| 5. Particles show movement about their own position |
Define the term ‘Liquefaction of gases’.
