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प्रश्न
Fill in the blank
The temperature of boiling water is _______
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उत्तर
The temperature of boiling water is 100°C.
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संबंधित प्रश्न
Write true or false for a given statement.
Heat flows from a body at a high temperature to a body at a low temperature when they are kept in contact.
Write true or false for a given statement.
A mercury thermometer makes use of the property of the expansion of liquids on heating.
Fill in the blank
Still air is an __________ of heat.
Name two substances which expand on heating.
Why do telephone wires sag in summer ?
An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into the water. Explain the reason.
Explain why we wear woolen clothes in winter.
Why are quilts filled with fluffy cotton?
During day time, air blows from ______ to ______.
Explain the following effects of heat.
Expansion
