Options:
A.
B.
C.
D.
Sign in to view the correct answer and detailed explanation.
Ulearngo is an independent study app. It is not affiliated with, endorsed by, or representing West African Examinations Council (WAEC). Always confirm official exam, admission, registration, syllabus, timetable, and result information from WAEC official website, WAEC Nigeria.
Options:
4 older comments kept for context.
Christine
Silicon is an acidic oxide. Rather oxides of alluminium, zinc, and lead are amphoteric.
Victoria Bolujo
Si or Sn?
Iyosayi Onaiwu
The code for remembering amphoteric metals is BeZLAT
Be ( Beryllium ) (Be)
Z ( Zinc ) (Zn)
L ( Lead ) (Pb)
A ( Aluminum ) (Al)
T ( Tin ) (sn)
Victoria Bolujo
thank you