A shiny iron nail was left in four different conditions for several days: I. In a sealed container containing dry air II. In water containing dissolved oxygen III. Placing in boiled water and then coating with an oil layer IV. In moist air In which of the above conditions is iron most likely to rust?

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) Only II and IV
2. (B) Only I and III
3. (C) II, III and IV
4. (D) I, II and IV

Verified Answer

Option (A): Only II and IV

Practice complete mock tests for SSC, Banking & Railway exams at https://testx.in/questions/01a0bf53-c853-7be9-8b7e-e6a3070029a7/a-shiny-iron-nail-was-left