Advertisements
Advertisements
प्रश्न
Why do we use cooking utensils made up of copper.
Advertisements
उत्तर
Cooking utensils are made of metals such as copper, aluminium, brass, steel etc., so that heat is easily conducted through the base to their contents. But they are provided with handles of bad conductors (such as ebonite or wood) to hold them easily as handles will not conduct heat from the utensil to our hand.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Equal volumes of different liquids expand by different amounts when they are heated to the same rise in temperature.
Write true or false for a given statement.
Solids expand the least and gases expand the most on being heated.
Write true or false for a given statement.
Kerosene contracts on heating.
Write true or false for a given statement.
Water is a bad conductor of heat.
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 is a tea kettle provided with an ebonite handle?
Why is an oven made of double walls with the space in between filled with cork ?
What are the land and sea breezes? Explain their formation.
Explain the following effects of heat.
Expansion
