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Question
A piece of wood floats on water.
Options
True
False
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Solution
This statement is True.
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Very Short Answer Type Question:
Is oil soluble in water?
Very Short Answer Type Question:
List three liquids which are transparent.
Match the objects that are made of the same material.
| A | B | C |
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Chalk dissolves in water.
Sugar does not dissolve in water.
Oil mixes with water.
Which among the following is an example of dull material?
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 |
Differentiate among opaque, translucent and transparent materials, giving one example of each.









