Question: what are three examples of a chemical formula?
Answer: H2SO4 : Sulfuric Acid. CH4 : Methane.
C12H22O11 : Sucrose. C3H8 : Propane.
NaHCO3 : Baking Soda. F : Fluoride. F2 : Fluoride.
H2O2 : Peroxide.
C8H10N4O2 : Caffeine.
C9H8O4 : Aspirin.
Zn(NO3)2 : Zinc. CO : Carbon Monoxide. NaOH : Sodium Hydroxide. ... 
CnH2nOn : Sugar.