(0) What are the roles of dyes, titania and electrolyte in Grtzel cell? (5 marks) - 100% Testime leh: 01 13:33 (ii) Raghul gifted a silver pen to her father and a gold watch to her mother. His parents asked about the cost and he told that the items cost very little compared to gold and silver of those sizes. Justify and explain the process involved in that