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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
Explain why, the diffusion of a solid in another solid is a very slow process.
Fill in the blanks:
The physical state of a substance, which has neither fixed volume nor fixed shape is a ______.
Matter in any state is composed of particles. Compare the three states of matter i,e. solids, liquids, and gases with reference to:
(a) intermolecular space
(b) the intermolecular force of attraction
(c) movement of particles
Describe simple experiments to prove that liquids have a definite volume
Describe simple experiments to prove that liquids have no definite shape
Strainer is a kind of sieve which is used to separate a liquid from solid.
Complete the Analogy:
Solids: incompressible:: Gas: ______.
The feather and paper cup can float on the water.
Complete the Analogy.
Bucket: Plastic:: Table: ______.
Give two examples of diffusion.
