Advertisements
Advertisements
प्रश्न
What is Brownian motion? Draw a diagram to show the movement of a particle (like a pollen grain during Brownian motion.
Advertisements
उत्तर
The zigzag movement of the small particles suspended in a liquid or a gas is called Brownian motion.

APPEARS IN
संबंधित प्रश्न
Intermolecular space is maximum in .......... less in ............ and the least in .........
Intermolecular force of attraction is maximum in ............ less in .......... and the least in .............
Gases have definite volume but no definite shape.
Fill in the blank :
The state of matter with definite volume and definite shape is called______
Name the terms for the change of a solid into liquid.
Give one difference between atoms and molecules.
Fill in the blank
Liquids have a definite ______
Define matter. Give four examples of matter.
What are the characteristics of matter?
What is meant by saying that metals are lustrous ?
Which of the following substances are elements ?
Water, Salt, Mercury, Iron, Marble, Diamond, Wood, Nitrogen, Air, Graphite, Hydrogen, Oxygen, Sugar, Chlorine
Draw a flow-chart for the schematic representation of different types of matter.
Name the process which can be used to purify an impure sample of copper sulphate.
Which technique is used in a washing machine to squeeze out water from wet clothes while drying ?
Describe a method for separating a mixture of iron filings and sulphur powder other than that by using a magnet.
The best way to recover sugar from an aqueous sugar solution is :
One of the following does not undergo sublimation. This one is :
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which exists as a liquid at room temperature.
The most reactive metal is ______.
______ is so hard that it can scratch glass.
