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प्रश्न
Arrange the following substances in increasing order of force of attraction between their particles (keeping the substance having the minimum force of attraction first) : Water, Sugar, Oxygen
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उत्तर
Oxygen (gas), water (liquid) and sugar (solid).
Gases have the least force of attraction between their particles while the particles of solids have the maximum force of attraction.
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संबंधित प्रश्न
Give two reasons for saying that wood is a solid.
Write whether the following statements are true or false:
Only water can exist in three different states
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 |
State the property of the following substance.
Chlorine gas has a – strong irritating odor.
State the property of the following substance.
Magnesium reacts with dilute hydrochloric acid, liberating hydrogen gas.
Write the states of water.
Complete the given analogy.
Solid: Rigidity:: Gas: ______
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 |
Choose the odd one:
What is the physical state of water at 100ºC?
