Advertisements
Advertisements
Question
Fill in the blank:
The process in which a solid directly changes into a gas is called ....................
Advertisements
Solution
The process in which a solid directly changes into a gas is called sublimation.
APPEARS IN
RELATED QUESTIONS
Give reasons:
Solids cannot be compressed.
What do you observe when a gas jar which appears empty is inverted over a gas jar containing Bromine vapours? Name the phenomenon.
Write whether the following statement is true or false.
Solids have the largest inter-molecular space.
There are large intermolecular gaps in
- water
- iron ball
- common salt
- air
Which of the following statement is incorrect?
What are the two conditions for the interconversion of states of matter?
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to free surfaces.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to free diffusion.
Give a reason why –
Liquids have a definite volume but no definite shape.
Describe simple experiment to show that particles of matter are closely packed in solids and less in liquids.
