Question
Name the process which takes place when:
a) Solid Carbon (IV) oxide (dry ice) changes directly into gas.
b) A red litmus paper turns white when dropped into chlorine water.
c) Propene gas molecules are converted into a giant molecule.
a) Solid Carbon (IV) oxide (dry ice) changes directly into gas.
b) A red litmus paper turns white when dropped into chlorine water.
c) Propene gas molecules are converted into a giant molecule.
Answer
a) Sublimation.
b) Bleaching
c) Polymerisation
b) Bleaching
c) Polymerisation