Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Chemical Bond and Molecular Structure
Out of XeF2, CO2, SO2 and NO2- the linear species are:
1
XeF2 and CO2
2
CO2 and SO2
3
XeF2 and NO-2
4
More than one of the above
5
None of the above