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प्रश्न
Water evaporates only at 100°C.
विकल्प
True
False
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उत्तर
False .
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संबंधित प्रश्न
Write true or false For the following Statement
The molecules in a substance arc in random motion.
Fill in the blank
In a solid, the molecules ............................................ but they remain at their fixed positions.
Fill in the blank
A solid exerts pressure .....................
Give a reason for the Liquids can flow easily.
Differentiate between living and non-living matter.
Select natural and man-made matter from the following list:
Wood, plastic, silk, medicines, detergents, coal, water, ceramic, cotton, glass, nylon, fruits.
Match the following
| Column A | Column B | ||
| a | Solids | 1 | Can flow in all directions |
| b | Sublimination | 2 | The temperature at which a liquid changes into its gaseous state |
| c | Boiling Point | 3 | Can have any number of free surfaces |
| d | Gases | 4 | Gaps between particles |
| e | Intermolecular space | 5 | Change of state from solid to gas |
Which one is a kind of matter
All kinds of matter
State what would you observe if
(a) sugar is added to pebbles take in a plastic beaker
(b) sand is added to glass balls in a beaker. What would you conclude from this imaginative demonstration?
