Physical and Chemical Changes

2

3

4

5

incompressible

compressible

more compressible than liquids

less compressible than liquids

two carbon and three hydrogen atoms

one carbon and one hydrogen atom

two carbon and four hydrogen atoms

three carbon and six hydrogen atoms

physical change

chemical change

biological change

state variation

reversible

irreversible

permanent

temporary

dark grey

silver grey

black

whitish silver

iron only

sulphur only

iron and sulphur both

sulphuric acid

solids and liquids

liquids

solids

gases

solids

fluids

liquids

gases

incompressible

compressible

colorful

dense than liquids and solids