Limestone is mainly
ACaO
BCaCO₃CORRECT
CCa(OH)₂
DCaSO₄
JAMB UTMEChemistry
AI
Toaster Teacher
Why the answer is B, and why the others tempt you.
Limestone is calcium carbonate (CaCO₃). CaO is quicklime; Ca(OH)₂ is slaked lime.
Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →
Practice more Chemistry questions
JAMB UTME Chemistry has thousands more questions like this — with Worked answers on every one.