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Aluminium is more reactive than Iron, bu...

Aluminium is more reactive than Iron, but rate of corrosion in Iron is more than Aluminium. This is due to

A

Oxidation potential of Al is higher than Iron

B

Aluminium forms stable oxide layer

C

Reduction potential of Aluminium is more than Iron

D

Oxidation potential of Iron is more than Aluminium

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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
  1. Which of the following is true about preparation of Iron by smelting p...

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  2. Which of the following is true about the electrolytic refining of meta...

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  3. Aluminium is more reactive than Iron, but rate of corrosion in Iron is...

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  4. Which of the following method is used for purification of metals conta...

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  5. The electrolyte used in refinery of copper is

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  6. The main use of CaCl2 in laboratory is

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  7. Assertion (A) : Gold is available in nature in free state. Reason (R) ...

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  8. Metals are available in: i) free state ii) mixed state.

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  9. Assertion (A) : Bauxite is ore for Aluminium metal. Reason (R) : The m...

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  10. Assertion (A) : Oxygen - sulpher group in the periodic table is called...

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  11. The correct steps of process of metallurgy is i) purification of the m...

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  12. P: Extraction of the metal from Its ores depends on the physical prope...

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  13. Which of the following reduction is suitable for extraction of crude m...

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  14. P: Corrosion of iron is an oxidation process. Q : Corrosion occurs in...

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  15. Assertion (A) : Alloy metal does not undergo corrosion, Reason (R) : A...

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  16. Assertion (A) : Zn can be obtained by distillation method. Reason (R) ...

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  17. The product in the reduction of PbO with carbon is

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  18. What will happen if the displacement reaction takes place in between T...

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  19. What will happen if cinnabar heats ?

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  20. What will happen if a stainless steel rod placed in moisture air ?

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