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What is importance of dry tests and it i...

What is importance of dry tests and it is applicable to which kind of substances ?

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The dry test give information in short time and also provides a clue about the presence or absence of certain substances so wet analysis may be modified and shortened.
It is applicable to solid substances.
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RESONANCE-QUALITATIVE ANALYSIS (ANION)-Exercise-1
  1. What is importance of dry tests and it is applicable to which kind of ...

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  2. Give the observation when each of the following is heated in a dry tes...

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  3. Why compounds shows colours in flame test ?

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  4. Is intensity of colour in flame test, depends upon the concentration o...

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  5. Why is a green flame not obtained in the case of barium sulphate or ba...

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  6. colourless salt (A) underset(740^(@)C) overset(Delta)to (B) +(C ) over...

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  7. Why is sodium carbonate extract acidified before performing the confir...

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  8. Can sodium carbonate extract be used test for CO(3)^(2-) ions ?

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  9. What will happen if a solution of Ca(HCO(3))(2), formed by passing the...

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  10. What will happen if bromine water is added in a white precipitate of B...

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  11. Salt (A) + lime water to white precipitate darr white precipitate + ...

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  12. What will happen ? (Also write the chemical equations). (a) When a f...

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  13. A nitrite solution is added to a saturated solution of iron (II) acidi...

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  14. Why is it necessary to test for the acid radicals first with dil. H(2)...

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  15. Why chromyl chloride test is carried out in a dry test tube ?

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  16. Why bromides and iodides do not respond to chromyl chloride test ?

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  17. NaCl on heating with conc. H(2)SO(4) gives HCl where as NaBr and NaI g...

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  18. Dilute Hydrochloric acid contains chloride ions but it doesnot give po...

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  19. Identify the gas A, B and C.

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  20. Why heavy metal chlorides such as Hg(2)Cl(2), AgCl, PbCl(2) etc. do no...

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