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Which is an amphoteric oxide ?...

Which is an amphoteric oxide ?

A

CaO

B

BaO

C

SrO

D

ZnO

Text Solution

Verified by Experts

The correct Answer is:
D
Out of the given choices, only ZnO is amphoteric in nature.
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DINESH PUBLICATION-IONIC EQUILIBRIUM -REVISION QUESTIONS FROM COMPETITVE EXAMS
  1. The molar solubility ( in mol L^(-1)) of a sparingly soluble salt MX(4...

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  2. Which is a Lewis base ?

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  3. Which is an amphoteric oxide ?

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  4. pK(a) of CH(3)COOH is 4.74 . The pH of 0.01 M CH(3)COONa IS

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  5. K(sp) for Cr(OH)(2) is 2.7 xx 10^(-13) . What is its solubility in mol...

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  6. The rapid change of pH near the stoichiometric point of an acid-base t...

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  7. The solubility product of a sparingly soluble salt AX(2) is 3.2xx10^(-...

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  8. What is the pH of 0.01 M glycine solution? For glycine, K(a(1))=4.5xx1...

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  9. Which of the following is acidic in nature ?

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  10. At 90^(@)C, pure water has [H(3)O^(o+)] = 10^(-6)M. What is the value ...

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  11. The pH of a buffer solution of 0.1 M NH(4)OH [ pK(a)=4.0] and 0.1 M NH...

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  12. 50 mL of 0.1 M HCl and 50 mL of 2.0 M NaOH are mixed. The pH of the r...

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  13. The solubility product of a salt having general formula MX(2) in water...

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  14. Hydrogen ion concentration in mol//L in a solution of pH=5.4 will be:

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  15. The conjugate base of OH^(-) is :

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  16. The pH of a solution of H(2)O(2) is 6.0. Some chlorine gas is bubbled ...

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  17. At 25^(@)C, the dissociation constant of a base. BOH is 1.0xx10^(-12)...

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  18. The correct relationship between the pH of isomolar solutions of sodiu...

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  19. When 10 ml of 0.1 M acitec acid (pk(a)=5.0) is titrated against 10 ml ...

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  20. The K(a) value of formic acid and acetic acid are respectively 1.77 xx...

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