What does the anhydrous mgso4 do? how does it interact with the extract? what does it become?

Sorry i dont understand the question can you rephase it?

Answer(true);

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.