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A white powder when strongly heated give...

A white powder when strongly heated gives of brown fumes. A solution of this powder gives and yellow precipitate with a solution of KI. When a solution of barium chloride is added to the solution of powder , a white precipitate result . This white powder may be -

A

A soluble sulphate

B

KBr or NaBr

C

`Ba(NO_(3))_(2)`

D

`AgNO_(3)`

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NARAYNA-QUALITATIVE ANALYSIS-LEVEL -I (C.W.)
  1. When the nitrate is heated with conc. H(2)SO(4), gas evolved is

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  2. Which of the following will not give positive chromyl chloride test ?

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  3. A white powder when strongly heated gives of brown fumes. A solution o...

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  4. The ion which is not precipitated by H2 S in the presence of HCl is

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  5. Na(2)CO(3)+KNO(3) to No reaction

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  6. Ca, Ba and Sr ions are precipitated in fifth group as their -

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  7. When H(2)S is passed through an ammonical salt solution X, a white pr...

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  8. In third group, bromine water is used to test

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  9. In the reaction : H(2)ShArr2H^(+)+S^(2-), when NH(4)OH is added, then

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  10. An aq. Solution containing Hg^(2+),Pb^(2+) and Cd^(2+) ions is mixed w...

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  11. Disodium hydrogen phosphate is used to test

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  12. Which of the following statement is // are true ?

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  13. The metal ion which is precipitated when H(2)S is passed with HCl is

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  14. The group reagent for group V radicals is

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  15. Aqua regia is

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  16. Which of the following will be precipitated when dil. HCl is added to ...

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  17. H(2)S in the presence of HCl precipitates II group but not IV group be...

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  18. A black sulphide is formed by the action of H(2)S on

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  19. The ion which can be precipitated with both HCl and H(2)S separately i...

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  20. Which of the following pairs of cations cannot be separated by using a...

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