Question

find odd man out
Ca,Br,S,Sr

Answer 1

answer : Br

explanation :
Ca : it belongs to alkaline earth metals (2nd group). it exists in solid form in normal temperature and pressure.

Br : It belongs to helogen family, it exists in liquid form in normal temperature and pressure.

S : it belongs to oxygen family. it exists in solid form in normal temperature and pressure

Sr : it belongs to alkaline earth metals group . e.g., 2nd group. it exists in solid form in normal temperature and pressure


here it is clear that only Br exists in liquid form.
so, Br is odd one