Advertisements
Advertisements
प्रश्न
Which one of the following statements is not true?
- the molecules in a solid vibrate about a fixed position
- the molecules in a liquid are arranged in a regular pattern
- the molecules in a gas exert negligibly small forces on each other, except during collisions
- the molecules of a gas occupy all the space available
Advertisements
उत्तर
The molecules in a liquid are arranged in regular pattern. The above answer is not true because in liquids the molecules are not arranged in regular pattern. In liquids the molecules are loosely arranged.
APPEARS IN
संबंधित प्रश्न
Write your observation and conclusion for the following.
When a small stone is gently dipped into a glass filled with water.
Write true or false for statement. Rewrite the false statement correctly.
Solids and liquids can flow.
Which of the following statement is incorrect?
A glass beaker is half-filled with water and an empty glass tumbler is inverted & lowered inside the glass beaker. State your observations on tilting the tumbler below the level of the water in the glass beaker. Give a reason for your answer.
State in which of the three states of matter:
Are the atoms or particles far apart
Describe simple experiment to show that particles of matter are closely packed in solids and less in liquids.
State the term which refers to the conversion of a substance on heating from.
- solid-state to liquid state
- liquid state to vapour state
- vapour state to liquid state
- liquid state to solid-state.
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 |
State in which of the following examples ie. a piece of wood, water, light gas is the Inter-particle attraction maximum.
Give the reason for the following
Particles of matter move more rapidly on the application of heat.
