Advertisements
Advertisements
प्रश्न
Define the following term of Molecule .
Advertisements
उत्तर
Molecule — A molecule is a smallest part of a compound that exists independently.
APPEARS IN
संबंधित प्रश्न
Give reason:
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
Fill in the blank:
The physical state of a substance, which has a fixed volume but no fixed shape is .........
For the following statement, say whether it describe a solid, a liquid or a gas.
Particles are quite close together.
Give reason Liquids can flow easily
Give reason of A gas fills up the space available to it.
A solid is a state of matter that has
When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance spreads in the whole room quickly. Which characteristic of the particles of matter is illustrated by this observation?
In which of the following conditions, the distance between the molecules of hydrogen gas would increase?
- increasing pressure on hydrogen contained in a closed container
- some hydrogen gas leaking out of the container
- increasing the volume of the container of hydrogen gas
- adding more hydrogen gas to the container without increasing the volume of the container
Bromine particles are almost twice as heavy as chlorine particles. Which gas will diffuse faster; bromine (vapour) or chlorine? Explain your answer.
Give a reason why solids and liquids co-exist at their melting points.
