Advertisements
Advertisements
प्रश्न
Why is a tea kettle provided with an ebonite handle ?
उत्तर
Tea kettles are provided with wooden or ebonite handles. The wood or the ebonite being the insulators of heat, does not pass heat from the utensils to our hand. Thus, we can hold the hot utensils or pans comfortably by their handles.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Kerosene contracts on heating.
Fill in the blank
Gases expand _______ than the liquids.
Select the correct alternative
The temperature of pure melting ice is
Name a liquid which is a good conductor of heat.
Name a solid which is a good conductor of heat.
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
In summer, ice is kept wrapped in a gunny bag. Explain the reason.
Why is an oven made of double walls with the space in between filled with cork ?
Why are quilts filled with fluffy cotton?
Why is a ventilator provided in a room?
