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प्रश्न
Fill the following chart showing twelve solids, twelve liquids, four gases and eight materials.
उत्तर
| Solids | Liquids | Gases | Materials | |
| 1 | Mobile | Ink | Oxygen | Paper |
| 2 | Pen | Water | Hydrogen | Wood |
| 3 | Pair of Shoes | Cooking oil | Nitrogen | Iron nails |
| 4 | TV set | Hair oil | Carbon dioxide | Cement |
| 5 | Chair | Lemon juice | Tiles | |
| 6 | Telephone | Cough syrup | Plaster of paris | |
| 7 | Remote control | Mercury | sand | |
| 8 | Wood | Thinner | Iron rods | |
| 9 | Ornaments | Spirit | Bricks | |
| 10 | Scissors | Kerosene | ||
| 11 | Eraser | Petrol | ||
| 12 | Mirror | Mouth wash |
APPEARS IN
संबंधित प्रश्न
Give reasons:
A wooden table should be called a solid.
Explain why, the diffusion of a solid in another solid is a very slow process.
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 solids have a definite volume
Describe simple experiments to prove that liquids have no definite shape
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 |
Intermolecular forces of attractions are maximum in ______.
______ has definite shape and volume.
______ particles are tightly packed into a definite shape.
The tendency of particles to spread out in order to occupy the available space is ______.
