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प्रश्न
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 |
उत्तर
| No. | Place | Name of the thing | Material used for making the thing |
| 1 | Study room | Table, chair, books pens, pencils, table lamp, computer, fan | Wood, plastic, paper, glass, bakelite, connecting wires made of metal and plastics |
| 2 | Drawing room | Sofa, table, chairs, fan, curtains, windows etc. | Wood, cloth, coir, paint, plastics, aluminium, glass etc. |
| 3 | Kitchen | Taps, wash basin, cupboards, utensils, heating vessels strainer, containers aqua pure etc | Steel, aluminium, glass, china clay, iron, plastic, copper, stainless steel, brass etc |
| 4 | bathroom | Taps, tubs, mugs, tooth brush, tooth paste, soap, pail etc. | Iron, brass, stainless steel, plastics etc |
| 5 | Any other place | Scooter, car, road, rooms, trucks, shops | Iron, rubber, coaltar, bricks, wood, plastics, clothes. |
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संबंधित प्रश्न
Give reasons
We can walk through air.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
Describe simple experiments to prove that gases have mass.
Complete the statement given below by selecting the correct word.
Solids and liquids have a definite ____ but gases do not.
State the property of the following substance.
Chlorine gas has a – strong irritating odor.
Particles in solids are free to move.
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:
The tendency of particles to spread out in order to occupy the available space is ______.
What is the physical state of water at 250°C.
