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On addition of aqueous NaOH to a salt so...

On addition of aqueous NaOH to a salt solution, a white gelatinous precipitate is formed, which dissolves in excess of alkali. The salt solution contains

A

Aluminium ions

B

Barium ions

C

Ferric ions

D

Calcium ions

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The correct Answer is:
A
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NARAYNA-QUALITATIVE ANALYSIS-LEVEL -III
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  2. PbCrO(4) is yellow in colour due to

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  3. PbCl(2) is added with 'X' as a result an yellow coloured precipitate '...

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  4. Which of the following can be used to precipitated lead salt

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  5. When cupric sulphate solution is added with 'X' it produced a deep blu...

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  6. Schewitzer's reagent is

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  7. Which of the following is used to oxidise Fe^(+2) to Fe^(+3) in III gr...

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  8. On addition of aqueous NaOH to a salt solution, a white gelatinous pre...

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  9. Al^(3+) and Fe^(3+) are present together in group III of qualitative a...

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  10. Ferric ion forms a Prussian blue coloured precipitate due to fromation...

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  11. Out of Cu^(2+),Ni^(2+),Co^(2+) and Mn^(2+) those dissolved in dil. HCL...

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  12. In the brown ring test, the brown colour of the ring is due to

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  13. When Kl is added to acidified solution fo sodium nitrite,

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  14. Manganese salt + PbO(2) + Conc. HNO(3) rarr The solution acquires purp...

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  15. As(2)S(3) dissolves in a solution of yellow ammonium sulphide to give

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  16. In the reactions, K(2)Cr(2)O(7)+KCl+"conc."H(2)SO(4)overset("heat")(...

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  17. When NH(4)Cl is added to a solution of NH(4)OH :

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  18. CuSO(4) solution reacts with excess of KCN solution to form:-

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  19. To a metal nitrate, when KI solution is added, a black precipitate is ...

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  20. K(4)[Fe(CN)(6)] is not used for the detection of

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