Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Periodic Table
The alkali metals can reacts with oxygen and form peroxides except:
1
Sodium
2
Cesium
3
Lithium
4
More than one of the above
5
None of the above