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Identify the element that forms amphoter...

Identify the element that forms amphoteric oxide.

A

Carbon

B

Zinc

C

Calcium

D

Sulphur

Text Solution

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The correct Answer is:
B
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TARGET PUBLICATION-p-BLOCK ELEMENTS-COMPETITIVE THINKING
  1. Which of the following is different from other three oxides?

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  2. Which of the following is a neutral oxide?

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  3. Identify the element that forms amphoteric oxide.

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  4. In the following reaction, ZnO is respectively acting as a/an (i) Zn...

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  5. The colour of liquid O(2) is .

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  6. The bond angle and O-O bond length in O3 are respectively .

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  7. Ozone is present as a chief constituent in which region of the atmosph...

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  8. Six volumes of oxygen, on complete ozonisation form volumes of ozone.

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  9. Ozone, on reaction with KI solution, finally produces.

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  10. Number of unpaired electrons on sulphur in sulphur dioxide gas is ?

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  11. Which one statement about sulphur dioxide gas is INCORRECT ?

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  12. Aqueous solutions of hydrogen suphide and sulphur dioxide when mixed t...

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  13. A crystalline solid 'X' reacts with dil. HCl to liberate a gas 'Y' . '...

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  14. The oxidation number of sulphur in S(8), S(2)F(2) and H(2)S respective...

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  15. Which is produced by contact process ?

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  16. What is the catalyst used for oxidation of SO(2) to SO(3) in lead cham...

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  17. Sulphuric acid reacts with PCl5 to give

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  18. Which one is known as oil of vitriol ?

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  19. Peroxydisulphuric acid has which of the following bond ?

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  20. The molecular formula of dithionic acid is .

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