Advertisements
Advertisements
प्रश्न
Give reasons
A red ink drop added to small amount of water in a glass turns the water red in some time.
Advertisements
उत्तर
When we put a drop of red ink in a glass of water, its particles diffuse with particles of water slowly but continuously and the water turns red
APPEARS IN
संबंधित प्रश्न
What are fluids? Give two examples
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly but do not leave the surface
Describe simple experiments to prove that solids occupy space
Describe simple experiments to prove that gases have no definite volume or shape.
State the property of the following substance.
Chlorine gas has a – strong irritating odor.
State the property of the following substance.
Sodium nitrate is soluble in water, but calcium carbonate is not.
Complete the Analogy:
Solids: incompressible:: Gas: ______.
Define the term ‘Diffusion’.
What is the physical state of water at 250°C.
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]
