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An element (X) forms compounds of the fo...

An element `(X)` forms compounds of the formuls `XCl_(3),X_(2)O_(5)` and `Ca_(3)X_(2)` , but does not form `XCl_(5)`. Which of the following is the element X ?

A

B

B

Al

C

N

D

P

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NARAYNA-QUALITATIVE ANALYSIS-Level -II (H.W.)
  1. Which one has the minimum solubility product ?

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  2. Which of the following gives green colour to the flame ?

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  3. An element (X) forms compounds of the formuls XCl(3),X(2)O(5) and Ca(3...

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  4. A white sodium salt dissolves readily in water to give a solution whic...

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  5. The brown ring test for NO(2)^(-) and NO(3)^(-) is due to the formatio...

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  6. In Nessler's reagents, the ion present is :

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  7. When I(2) is passed through KCl, KF,KBr :

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  8. Oxalate +MnO(2)+"dil."H(2)SO(4)rarr Gas. The gas evolved is

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  9. When a mixture containing phosphate is heated with conc. HNO(3) and am...

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  10. A gas is evolved which burns with blue flame when the mixture is heate...

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  11. In the brown ring complex [Fe(H(2)O)(3)NO]SO(4) nitric oxide behaves ...

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  12. A gas is obtained by addition of dil. H(2)SO(4) to a mixture which tur...

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  13. A metal X on heating with nitrogen gas gives Y.Y on treatment with H(2...

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  14. A pale yellow precipitate and a gas with pungent odour are formed on w...

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  15. A mixture of two salts is not water soluble but dissolves completely...

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  16. Three separate samples of a solution of a single salt gave these resul...

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  17. Which is not dissolved in dil. HCl?

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  18. Which one among the following pairs of ions cannot be separated by H(2...

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  19. In the separation of Cu^(2+) and Cd^(2+) of Iind group in qualitative ...

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  20. Which of the following sulphate is insoluble in water ?

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