The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Resistance to corrosion in a cobalt-chrome casting is due to presence of:   (A) High quality iron   (B) Chrome   (C) Cobalt   (D) Nickel
['(B) Chrome <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) High quality iron \n (B) Chrome \n (C) Cobalt \n (D) Nickel <> possible answers', '  Resistance to corrosion in a cobalt-chrome casting is due to presence of: <> context@']