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प्रश्न
Which of the following statement is incorrect?
पर्याय
the particles of matter are very, very small
the particles of matter attract one another
the particles of some of the matter are moving constantly
the particles of all the matter have spaces between them
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उत्तर
The particles of some forms of matter move constantly
The statement that the particles of some forms of matter move constantly is incorrect because the particles of matter of all three states– solid, liquid and gas –are moving constantly. Although the particles of solids are fixed at their positions, they vibrate constantly.
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संबंधित प्रश्न
What are fluids ? Give two examples.
Define interconversion of states of matter.
Define the following terms.
Atom
Fill in the blank:
The quantity of matter in an object is called its _____
What is mass ?
Explain why, we can easily move our hand in air but to do the same through a plank of wood, we need a karate expert.
State in which of the three states of matter:
The movement of the particles is neither about their own positions nor in any random direction.
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 |
Complete the statement by filling the blank with the correct word given below.
When inter-particle space increases, the inter-particle attractive force _______________.
Complete the blank with reference to interconversion of matter on the basis of kinetic theory-with the word ‘increase’, ‘decreases’, ‘gain’, ‘lose’, or ‘overcome’ in the following case.
During soldification, the inter-particle space __________ gently.
