Ag* can be electroplated at a) anode(+), b) c) cthode (+), d)

The correct answer is a

The answer to your question would be c. mineral oil  

The question is incomplete. complete question is attached belowanswer: correct answer is option b  i.e.  solid particles  reason: filter paper has small pores, through which smaller particles can pass through. however, solid particles  have relatively larger size. hence, they are least likely to pass through.