When potassium chromate, K2CrO4 is dissolved in water, what ions are produced?

2(K+)(CrO4) 2-

Talc (french chalk) is the ingredient

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.