and potassium dichromate 0.25%. For this study, we included the data from metals in the standard series. All allergens are in petrolatum unless otherwise stated. For patients with metal prostheses ...

Read the NCERT textbook attentively, focusing on graphs and tables. — Understand the preparation and redox reactions of potassium dichromate (K₂Cr₂O₇) and potassium permanganate (KMnO₄). — Learn the ...