Question

The question and options are in attached photo.​

Answer 1

Double Replacement


see how at first it’s PbCI + AgNO then it switches to PbNO +AgCI

Answer 2

Double Replacement.

Step-by-step explanation:

It's actually simple. Each of those elements have a meaning of a material. So, in this case it's Lead(ii) Chloride + Silver Nitrate = Lead(ii) Nitrate + Silver ChlorideLead(ii).