#chemistry
#2015olevel
#air
#redox
#metals
#organicchemistry
#metalextraction
#electrolysis
#mole
Негізгі бет O level Pure Chem 2015 Paper 10th September
#chemistry
#2015olevel
#air
#redox
#metals
#organicchemistry
#metalextraction
#electrolysis
#mole
Пікірлер