Advertisements
Advertisements
प्रश्न
Name two substances which expand on heating.
Advertisements
उत्तर
Mercury and Aluminium wire.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Kerosene contracts on heating.
Write true or false for a given statement.
Land and sea breezes are convection currents of cold and warm air.
Select the correct alternative
The temperature of pure melting ice is
Iron rims are heated before they are fixed on the wooden wheels. Explain the reason.
Why are gaps left between successive rails on a railway track ?
Describe an experiment to show that air expands on heating.
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
Why is a tea kettle provided with an ebonite handle?
Why do we prefer to wear white or light coloured clothes in summer and black or dark coloured clothes in winter ?
In ice cubes, the force of attraction between the water molecules is ______.
