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प्रश्न
Find the odd one.
brick, coir, silk cloth, pine apple
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उत्तर
Silk cloth.
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संबंधित प्रश्न
Very Short Answer Type Question:
Which material is generally used for making pens? Wood, aluminum, plastic, cotton
Write whether the given materials are hard or soft.
| Wood | Eraser | Cotton |
| ______ | ______ | ______ |
Test the flexibility.
Give one plastic scale and a wooden scale to the students. Ask them to bend. Tabulate their observation (bends, does not bend).
| Plastic Scale | Wooden Scale |
| ______ | ______ |
When can you say a material is waterproof material?
Vinegar dissolves in water.
What is material?
Match the substances in Column A with their applications given in Column B.
|
Column A |
Column B |
| (a) oxygen | (i) for making crackers |
| (b) copper | (ii) for disinfecting water |
| (c) sulphur | (iii) all living beings inhale during breathing |
| (d) iron | (iv) for making electric wires |
| (e) chlorine | (v) for making rails |
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 |
Why do you think oxygen dissolved in water is important for the survival of aquatic animals and plants?
