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
Define the following term.
Element
Define the following terms.
Atom
Write whether the following statement is true or false.
There is no difference between evaporation and boiling.
Write true or false for statement. Rewrite the false statement correctly.
Solids and liquids can flow.
Give two examples of the following:
Substances which are rigid and not compressible.
Give reason of When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.
Fill in the blank.
Water is a matter because it has mass and occupies _______
What is meant by 'diffusion'? Give one example of diffusion in gases.
Give a reason for the following:
Liquids have one free upper surface only.
‘Inter-particle attraction between atoms of gases is very weak’. State five properties of gases which correlate as a consequence of the weak inter-particle attraction between particles of gases.
