Log ind
WAEC - Chemistry (1988 - No. 21)
Which of the following is not decomposed by heat?
CaCO
3
CuCO
3
ZnCO,sub>3
Na
2
CO
3
MgCO
3
Kommentarer (0)
Log ind for at kommentere
Reklame
Tillad, at javascript indlæser denne side korrekt
