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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
Fill in the blank
In a thermometer, the commonly used liquid is _______
Fill in the blank
Liquids expand _______ than the solids.
Fill in the blank
Black and dull surfaces are ______ of heat.
Name two substances which expand on heating.
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.
What are the good and bad conductors of heat ? Give two examples of each.
Explain why we wear woolen clothes in winter.
The applied heat energy can be realized as an increase in the average kinetic energy of the molecules.
Match the following
| 1. | Solid to liquid | a. | Condensation |
| 2. | Liquid to gas | b. | Deposition |
| 3. | Gas to solid | c. | Melting |
| 4. | Gas to liquid | d. | Vaporization |
Explain the following effects of heat.
Expansion
