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प्रश्न
Look at the pictures and identify the materials by which they are made of:
(paper, clay, glass, wood, plastic, metal rubber, wax
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| ____________ | ____________ | ____________ | ___________ | _____________ |
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| ____________ | ____________ | ____________ | ____________ | ____________ |
सारिणी
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उत्तर
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| Plastic | Plastic | Clay | Glass | Wood |
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| Metal | Wood | Wax | Rubber | Paper |
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संबंधित प्रश्न
Very Short Answer Type Question:
List three liquids which are transparent.
Short Answer Type Question:
What is the reason for grouping materials?
A notebook has lustre while an eraser does not.
Chalk dissolves in water.
Choose the odd one:
Rubber band is an example of ______.
What is material?
Some of the following statements are incorrect. Find the incorrect statements and correct them.
- The property of metals by virtue of which they can be drawn into wires is called ductility.
- Metals are good conductors of electricity but poor conductor of heat.
- Articles made up of metals produce ringing sound when struck hard.
- Oxides of non-metals and metals are acidic in nature.
- A less reactive metal displaces a more reactive metal from its salt solution in water.
Pick one material from the following which is completely soluble in water.
Match the objects given in Column I with the materials given in Column II.
| COLUMN I | COLUMN II | ||
| (a) | Surgical instruments | (i) | Plastic |
| (b) | Newspaper | (ii) | Animal product |
| (c) | Electrical switches | (iii) | Steel |
| (d) | Wool | (iv) | Plant product |
