ExamPlay Dark Logo
Hyni

WAEC - Chemistry (2003 - No. 14)

Sea shells contain mainly CaCO 3. Calcium oxide can be prepared from sea shells by
adding dilute acid
heating at a high temperature
reduction with CO
adding dilute NaOH(aq)

Komentet (0)

Identifikohu për të komentuar
Reklamim
BrainBehindX Inc Logo
©2026; Mundësuar nga BrainBehindX Inc