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प्रश्न
What are fluids? Give two examples
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उत्तर
Substances that can flow are called fluids. Both gases and liquids are fluids, e.g. gases (carbon dioxide, hydrogen), liquids (water, petrol and sulphuric acid).
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संबंधित प्रश्न
"A substance has a definite shape as well as a definite volume." Which physical state is represented by this statement?
Name the smallest particle from which matter is made up.
Give reasons
Liquids and gases flow but solids do not?
Give reasons
Liquids have definite volume but no definite shape
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
State the property of the following substance.
The melting point of ice is 0°C.
Complete the Analogy:
Solids: incompressible:: Gas: ______.
Gases have neither a definite shape nor a definite volume.
Define the term ‘Diffusion’.
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]
