Log ind
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)
Kommentarer (0)
Log ind for at kommentere
Reklame
Tillad, at javascript indlæser denne side korrekt
