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प्रश्न
State the property of the following substance.
Chlorine gas has a – strong irritating odor.
विकल्प
Physical
Chemical
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उत्तर
Physical
संबंधित प्रश्न
Give reasons:
A wooden table should be called a solid.
Name the smallest particle from which matter is made up.
What are fluids? Give two examples
Write whether the following statements are true or false:
Only water can exist in three different states
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
To identify materials of common use
Procedure – Just move around in your house – in the drawing room, sitting room, bedroom, kitchen, bathroom etc. Identify the things and All in the blanks in the table given below
| No. | Place | Name of the thing | Material used for making the thing |
| 1 | Study room | ||
| 2 | Drawing room | ||
| 3 | Kitchen | ||
| 4 | bathroom | ||
| 5 | Any other place |
Describe simple experiments to prove that gases have mass.
Discuss briefly on three states of matter.
Match the following.
| Srl. no. | A | B | C |
| i | Separation of visible undesirable components | Water mixed with chalk powder | Magnetic Separation |
| ii | Separation of heavier and lighter components | Sand and water | Decantation |
| iii | Separation of insoluble impurities | Iron impurities | Filtration |
| iv | Separation of magnetic components from non-magnetic components | Rice and stone | Hand-picking |
| v | Separation of solids from liquids | Husk and paddy | Winnowing |
The force of attraction between liquid particles is more than solid particles.
