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प्रश्न
Write true or false for a given statement.
Kerosene contracts on heating.
विकल्प
True
False
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उत्तर
False.
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संबंधित प्रश्न
Write true or false for a given statement.
Telephone wires are kept tight between the two poles in summer.
Fill in the blank
The temperature of boiling water is _______
Fill in the blank
Still air is an __________ of heat.
Select the correct alternative
The temperature of pure melting ice is
Name two substances which expand on heating.
Describe one experiment to show that liquids expand on heating.
State which expands more, when heated to the same temperature : solid, liquid or gas ?
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
When we heat them the force of attraction between the molecules decreases and the ice cubes become ______.
______ is the only matter on the Earth that can be found naturally in all three states.
