List of top Chemistry Questions on Dipole moment asked in JEE Main

Number of compounds/species from the following with non-zero dipole moment is ______
\(\text{BeCl}_2, \, \text{BCl}_3, \, \text{NF}_3, \, \text{XeF}_4, \, \text{CCl}_4, \, \text{H}_2\text{O}, \, \text{H}_2\text{S}, \, \text{HBr}, \, \text{CO}_2, \, \text{H}_2, \, \text{HCl}\)

How many of the following have zero dipole moment $H_2S, CH_4, NH_3, BF_3, SO_2, NF_3$