Which of the following is not decomposed by heat?
A
CaCO3
B
CuCO3
C
ZnCO,sub>3
D
Na2CO3
E
MgCO3
Verified Correct Answer: D.
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #36040)