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प्रश्न
Give two examples for of the following
Substances which sublime.
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उत्तर
Naphthalene, camphor, dry ice.
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संबंधित प्रश्न
Water evaporates only at 100°C.
The melting point of ice is 0°C.
Fill in the blank
The molecular motion in liquid and gas is in ................. path.
How do the solids, liquids, and gases differ in their following properties.
(a) Size
(b) Shape
(c) Density
Describe the molecular model for a liquid. I-low does it explain that a liquid has no definite shape, but has a definite Volume?
Give reason :
Liquids have a definite volume but no definite shape.
Write whether the following statement is true or false
All solids, on heating, first change to the liquid and then to the gaseous state always.
Give two examples for of the following
Substances which do not change their states.
Fill in the blank with the correct word Given below.
Brownian movement is maximum in ____.
State the property of the following substance.
Hydrogen sulphide gas has a strong rotten egg odour.
