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Which metal is protected by layer of its...

Which metal is protected by layer of its own oxide ?

A

Copper

B

Silver

C

Iron

D

Aluminium

Text Solution

Verified by Experts

The correct Answer is:
D
Aluminium forms a prolective layer of oxide which prevents it from further corrosion.
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MTG IIT JEE FOUNDATION-CHEMICAL REACTIONS AND EQUATIONS-EXERCISE (MULTIPLE CHOICE QUESTIONS) (LEVEL-1)
  1. AgNO(3(aq))+NaCl((aq))toAgCl((s))+NaNO(3(aq)). Above reaction is

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  2. Which of the following statements is true?

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  5. An iron nail is dipped in the solution of copper sulphate for about 30...

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  6. In an endothermic reaction

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  7. Heating limestone produces

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  8. Ferrous sulphate on heating gives:

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  9. White silver chloride in sunlight turns to

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  10. Which of the following chemical equations is an unbalanced one?

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  11. Which of the following is not a chemical reaction?

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  12. The electrolytic decomposition of water gives H(2) and O(2) in the rat...

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  13. Copper on exposure to air reacts with moisture and CO(2) to develop a ...

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  14. In exothermic reaction, the reactants

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  15. A(2)O(3)+2BtoB(2)O(3)+2A is an example of

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  16. When washing soda is treated with hydrochloric acid, it gives off a co...

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  17. Barium chloride on reacting with ammonium sulphate forms barium sulpha...

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  18. One mole of metal (Y) was added to 1.0 dm^(3) of 2.0"mol"//dm^(3) hydr...

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  19. When copper turnings are added to silver nitrate solution, a blue colo...

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  20. When hydrogen sulphide gas is passed through a blue solution of copper...

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