Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Equilibrium
Which of the following is not a Lewis acid?
1
Barium chloride (BaCl2)
2
Boron trichloride (BCI3)
3
Beryllium chloride (BeCl2)
4
More than one of the above
5
None of the above