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प्रश्न
Write the states of water.
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उत्तर
Water occurs naturally in three forms: ice, water, and water vapour. These forms are also called states of water. Ice is in solid form, water is in liquid form and water vapour is in gaseous form.
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संबंधित प्रश्न
Classify the following into solids, liquids and gases.
Oxygen, milk, common salt, wax, stone, L.P.G, carbon- dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Give reasons
Liquids and gases flow but solids do not?
Give reasons
A gas fills up the space available to it.
To identify materials of common use
Procedure – Just move around in your house – in the drawing room, sitting room, bedroom, kitchen, bathroom etc. Identify the things and All in the blanks in the table given below
| No. | Place | Name of the thing | Material used for making the thing |
| 1 | Study room | ||
| 2 | Drawing room | ||
| 3 | Kitchen | ||
| 4 | bathroom | ||
| 5 | Any other place |
State the main physical properties of matter.
Describe simple experiments to prove that liquids have no definite shape
A rubber ball changes its shape on pressing. Can it be called a solid?
Complete the Analogy.
Bucket: Plastic:: Table: ______.
______ particles are tightly packed into a definite shape.
The density of solid Argon is 1.6 ml at - 233°C. If the Argon atom is assumed to be sphere of radius 1.5 × 10-8 cm, then the ______ % of solid Argon is apparently occupied.
[Take : NA = 6 × 1023, Atomic mass of Ar = 40]
