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प्रश्न
A notebook has lustre while an eraser does not.
पर्याय
True
False
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उत्तर
This statement is False.
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संबंधित प्रश्न
Short Answer Type Question:
What is the basis for sorting materials?
Short Answer Type Question:
What is the reason for grouping materials?
Find the odd one.
Umbrella, sponge, rain coat, jerkin
Match the objects that are made of the same material.
| A | B | C |
 |
 |
 |
 |
 |
 |
 |
 |
 |
Stone is transparent, while glass is opaque.
Chalk dissolves in water.
Sugar does not dissolve in water.
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?
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 |
Which pair of substances among the following would float in a tumbler half filled with water?
