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प्रश्न
Ice melts at 100°C.
विकल्प
True
False
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उत्तर
False.
The ice melts at 0° by absorption of heat.
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संबंधित प्रश्न
Evaporation takes place at ...............temperature.
Discuss the three states of matter solid, liquids and gas on the basis of molecular model.
Give the molecular model for a solid and use it to explain why a solid has a definite volume and a definite shape.
Distinguish between solids, liquids, and gases on the basis of their following properties :
(a) compressibility
(b) fluidity
(c) rigidity
(d) expansion on heating
Fill in the blank
Liquids have no definite ...........
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Write true or false for the statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
Fill in the blanks:
Water is a matter because it has ______ and occupies ______.
Complete the statement given below by selecting the correct word.
____ is an example of a crystalline substance.
For removing grains from stalks, the ______ method is used.
