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The pH indicators are...

The `pH` indicators are

A

salts of strong acids and strong bases

B

salts of weak acids and weak bases

C

either weak acids or weak bases

D

either strong acids or strong bases

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The correct Answer is:
C
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DINESH PUBLICATION-IONIC EQUILIBRIUM -REVISION QUESTIONS FROM COMPETITVE EXAMS
  1. The strongest base of the following species is

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  2. The pH of a solution obtaine by mixing 50 mL of 0.4 N HCl and 50 mL of...

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  3. The pH indicators are

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  4. Which of the following sulphate has the lowest solubility product ?

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  5. Dissociation constant of NH(4)OH is 1.8 xx 10^(-5) . The hydrolysis co...

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  6. What is the percentage hydrolysis of NaCN is N//80 soluiton, when the ...

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  7. The solubility product of AgCl is 4.0 xx 10^(-10) at 298 K . The solub...

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  8. Highest pH (14) is shown by

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  9. If a neutral solution has pK(w) =13.36 at 50^(@)C, then pH of the solu...

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  10. The pH value of M//1000 soution of KOH is water is

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  11. In the equation I(2)+I^(-) rarr, I(3)^(-) which is Lewis base

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  12. Which of the following on reaction with H(2)S does not produce metalli...

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  13. BF(3) is acid according to

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  14. Which of the following is not a Lewis acid ?

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  15. When Na(2)CO(3) solution is titrated against HCl solution, the indicat...

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  16. Solubility of AgCl at 20^(@)C is 1.435xx10^(-3) g per litre. The solub...

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  17. The solubility product of silver chloride is 1.8 xx 10^(-10) at 298 K...

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  18. The maximum amount of BaSO(4) precipitated on mixing BaCl(2) (0.5 M) w...

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  19. The solubility of product (K(sp)) of AgCl is 1.8 xx 10^(-10) . Precipi...

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  20. The solubility of calcium fluoride in saturated solution, it its solub...

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