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प्रश्न
Materials which can be compressed or cut easily are called _______.
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उत्तर
Materials which can be compressed or cut easily are called Soft materials.
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संबंधित प्रश्न
Match the objects that are made of the same material.
| A | B | C |
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 |
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 |
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 |
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Sort the given objects as rough or smooth.
| Wet soap | Coir | Feather | Stone |
| ______ | ______ | ______ | ______ |
| Glass ball | Paperboard | Sand paper | Plastic spoon |
| ______ | ______ | ______ | ______ |
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 |
| ______ | ______ |
A notebook has lustre while an eraser does not.
Sand settles down in the water.
Choose the odd one:
Soft material ______.
Name some examples for shiny materials?
Paheli prepared a blue coloured solution of copper sulphate in beaker A and placed an iron nail in it. Boojho prepared a yellowish green solution of ferrous sulphate in beaker B and placed a copper wire in it. What changes will they observe in the two beakers after an hour?
Sugar, salt, mustard oil, sand, sawdust, honey, chalk powder, petals of flower, soil, copper sulphate crystals, glucose, wheat flour are some substances given to Paheli. She wants to know whether these substances are soluble in water or not. Help her in identifying soluble and insoluble substances in water.
