Ediangu Aaron the Chemistry teacher helping some of his senior four students who missed the lesson when he was teaching last week.
This is a Chemistry practicals taking place about the Topic of ” Volumetric Analysis”.
He was further explaining the standardization of sodium hydroxide using hydrochloride acid.
hydrochloride acid 
Ayong Thereza Testing 
Tr Aaron Explaining 
Nyadoi Anastasia Testing 
