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Corrosion, Class 12 Chemistry NCERT Solutions

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1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. Painting of the Iron surface is a type of:

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Question 1 of 10

2. Zinc is used to protect iron from rusting because reduction potential of zinc is:

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Question 2 of 10

3. Which method is used to prevent rusting of automobile parts (Car radiators)?

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Question 3 of 10

4. Lead loses its lustre due to:

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Question 4 of 10

5. In electrochemical theory of rusting 'Fe' undergoes:

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Question 5 of 10

6. Chemically anti rust solutions are :-

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Question 6 of 10

7. What would happen if the protective tin coating over an iron bucket is broken from some places?

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Question 7 of 10

8. During electrical protection, the active metal used will be present in which of the following form:

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Question 8 of 10

9. Four Iron sheets are coated with 4 different metals (A, B,C,D) whose standard potentials are -0.46V, -0.56V, -0.66V and -0.20 V respectively. Given that the standard reduction potential for Iron is -0.44V. In which case the rusting of Iron will be faster when the coating is damaged.

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Question 9 of 10

10. Rust is chemically:

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Question 10 of 10

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