Thursday, January 15, 2009
today after sch did physics practical.
was spring & weight.
den was quite easy :D
den after dat was chemistry!
pair-ed with peiming.
was mixing Copper(II) oxide with sulphuric acid.
heated the acid and poored copper(ii) oxide in.
until excess copper(2) oxide is left on the acid.
we then filtrate it. to get rid of the excess copper(2) oxide!
den we heated the residue& evaporated half of it.
den later cooled it and crystal formed. not really perfect, but acceptable!
My story, My life.
10:15 PM
