S Block Elements Question 155
Question: Which of the following does not form an oxide on heating-
Options:
A) $ ZnCO_3 $
B) $ CaCO_3 $
C) $ Li_2CO_3 $
D) $ Na_2CO_3 $
Show Answer
Answer:
Correct Answer: D
Solution:
[d] $ Na_2CO_2 $ does not decompose to form $ Na_2O $