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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 |
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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
"A substance has a definite shape as well as a definite volume." Which physical state is represented by this statement?
Give one example of the diffusion of a solid in another solid.
How do solids, liquids and gases differ in shape and volume?
Name the smallest particle from which matter is made up.
Classify the following into solids, liquids and gases.
Oxygen, milk, common salt, wax, stone, L.P.G, carbon- dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Give reasons
A red ink drop added to small amount of water in a glass turns the water red in some time.
Describe simple experiments to prove that solids have mass
State the property of the following substance.
Manganese dioxide, a catalyst which alters the rate of a chemical reaction is black in colour.
Which of the following is a solid?
Define the term ‘Diffusion’.
