The addition of tetraethyl lead to petrol

Tetraethyl lead is a

Tetraethyl lead is a

Addition of ethylene dibromide to petrol

The tetraethyl lead mixed in petrol works as

Tetraethyl lead is used as:

Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e.,tetraethyl lead for improving octant number ) is a lethal air pollutant, which causes :