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Which of the following metals form ampho...

Which of the following metals form amphoteric oxide?

A

copper

B

silver

C

Aluminium

D

Iron

Text Solution

Verified by Experts

The correct Answer is:
C

Aluminium forms amphoteric oxides since it reacts both acids are alkalies.
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MTG IIT JEE FOUNDATION-METALS AND NON METALS -Exercise (Multiple Choice Questions ) Level-1
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  6. The process of electrolysis is used for obtaining such metals which ar...

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  8. Zone refining process is used for the

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  9. The purpose of smelting an ore is

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  10. which of the following processes involve smelting

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  11. Metals like copper, mercury and lead are obtained from their oxide ore...

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  12. Which of the following reactions cannot occur ?

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  13. Malachite is an ore of

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  15. Complete the reaction : Zn + 2NaOH to

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  16. Which of the following is correct for the reaction? Cu + HCl to

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  17. Non-metals generally act as oxidizing agents reducing agents Both ...

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  18. An element 'X' forms an oxide XO(2), which is a very useful gas used i...

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  19. The acid formed when sulphur trioxide reacts with water is

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  20. Which of the following ores cannot be concentrated by electromagnetic ...

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