تحويلات الكيمياء | اليوريا من كربيد الكالسيوم

مراجعة Chemistry ثالثة ثانوي من ملحق الجمهورية
By adding excess amount of dilut-
ed hydrochloric acid to a mixture
of the three iron oxides then di-
viding the produced solution into
two parts and adding ammonia
solution to the 1" part and caustic
soda solution to the 2nd part.
So, the correct sentence from the
following is....
Reddish brown ppt. is formed in
the two parts
Reddish brown ppt. is formed in
the 1st part only
Reddish brown ppt. is formed in
the 2nd part only
Reddish brown ppt. is not formed
in the two parts