Advertisements
Advertisements
प्रश्न
Fill in the blank:
The process in which a solid directly changes into a gas is called ....................
Advertisements
उत्तर
The process in which a solid directly changes into a gas is called sublimation.
APPEARS IN
संबंधित प्रश्न
Define interconversion of states of matter. What are the two factors responsible for the change of states of matter?
What happens to water if it is heated and Explain the phenomenon of change of state of water.
Fill in the blank:
The change of water vapour into water is called ......................
Fill in the blank:
Water boils at ............
Name the phenomenon which cause the following change:
Conversion of ice into water.
All kinds of matter
- occupy space and have definite mass
- have mass and definite shape
- can change their states
- have definite volume
How will you prove by an experiment that solids occupy space ?
Fill in the blank
When a gas is cooled, its molecules ________ energy,
Bromine particles are almost twice as heavy as chlorine particles. Which gas will diffuse faster; bromine (vapour) or chlorine? Explain your answer.
With reference to the liquid state of matter – answer the following
State why the inter-particles attraction decreases to negligible.
