Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Chemistry S - Block Group 2 Elements (Alkaline Metals)
Which of the carbonates given below is unstable in air and is kept in CO2 atmosphere to avoid decomposition
1
BeCO3
2
MgCO3
3
CaCO3
4
More than one of the above
5
None of the above