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Explain why chromium is used to coat iro...

Explain why chromium is used to coat iron objects.

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**Step-by-Step Solution:** 1. **Understanding the Problem**: The question asks why chromium is used to coat iron objects. We need to consider the properties of both chromium and iron to provide a comprehensive answer. 2. **Properties of Iron**: Iron is a metal that is prone to rusting when exposed to moisture and air. Rusting is a chemical reaction that leads to the deterioration of iron, reducing its lifespan and structural integrity. 3. **Properties of Chromium**: Chromium is a metal known for its shiny appearance and resistance to corrosion. It does not easily react with oxygen and moisture, making it an excellent protective layer. ...
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PEARSON IIT JEE FOUNDATION-CHEMICAL EFFECTS OF ELECTRIC CURRENT-COMPETITION CORNER (MCQ)
  1. Explain why chromium is used to coat iron objects.

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  2. Wich of these is used to coat artificial jewellery?

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  3. Why do iron cans coated with tin are used to store food?

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  4. Which metal is used to coat iron objects to provide shiny and scratch-...

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  5. is a process in which a metal or an alloy is coated with a layer of an...

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  6. Which method is used to obtain lead from lead bromide?

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  7. Why does the bright blue colour of copper chloride solution fade on el...

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  8. Wich get is produced at the cathode during the electrolysis of water?

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  9. What happens to an electrolyte when an electric current passes through...

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  10. Lemon juice conducts electricity due to the presence of charged partic...

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  11. Which substance can be used to make electrical wires?

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  12. Which of these is an electrolyte?

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  13. Which of these allows electricity to pass through it?

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  14. What causes an electric current to flow in a circuit ?

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  15. When does an atom acquire an overall positive charge?

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  16. Which particle inside an atom carries no charge?

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  17. Which of these are present inside a nucleus?

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  18. Arun wants to electroplate an iron object with a layer of nickel. Whic...

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  19. Which of these metals is used to coat the parts of bicycles through el...

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  20. During electroplating, where is the object placed, which needs to be c...

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  21. A negative ion is called a / an .

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