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प्रश्न
Give reason We need to classify things .
उत्तर
We need to classify things in order to distinguish them. In this way, things can be categorized and can be easily studied.
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संबंधित प्रश्न
Write your observation and conclusion for the following:
When few marbles are put in a glass half-filled with water.
Name the phenomenon which causes the Conversion of ice into water is
Write true or false for the following statement
The inter-molecular forces are effective at all distances between the two molecules.
Select the correct alternative
The molecules ____________
Describe a simple experiment to illustrate the existence of inter-molecular spacing.
What is volume?
Fill in the blank
All matter is made up of tiny particles called .................
Multiple choice question.
Which one is a kind of matter:
Write a scientific reason.
Hydrogen is combustible, oxygen helps combustion, but water helps to extinguish fire.
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, very closely packed | A: Solids |
| 2. Interparticle space is maximum | B: Liquids |
| 3. Force of attraction between particles is very weak | C: Gases |
| 4. Movement of particles is about their own position | |
| 5. Particles in the state of matter are slightly compressible and not closely packed. |
