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Aqua regia is a mixture of...

Aqua regia is a mixture of

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Aqua regia is a freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid. What is the ratio of this mixture?

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Aqua regia, the reagent that can be used to dissolve gold, is a 3:1 mixture of which acids?

Aqua regia is used for dissolving noble metals (Au, Pt, etc.). The gas evolved in this process is :

Aqua regia is prepared by mixing freshly prepared concentrated HCl and concentrate HNO_(3) in the ratio 1:3 2:3 3:1 3:2

PRADEEP-P-BLOCK ELEMENTS -FILL IN THE BLANKS
  1. Nitrogen does not form pentahalides as it does not have ............ .

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  2. Conc. HNO(3) on dehydration with P(4)O(10) gives…………

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  3. Aqua regia is a mixture of

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  4. In gaseous state, nitric oxide is ............ While in the liquid or ...

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  5. The formula of acidic nitrogen hydride is ………….. .

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  6. Nitric acid contaning .......... Is called fuming nitric acid.

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  7. Laughing gas is obtained when a mixture of NH(4)Cl and …………is heated w...

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  8. In the ring test of NO(3)^(-) ion, Fe^(2+) ion reduces nitrate ion to ...

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  9. The products of oxidation of phosphorus acid by hot concentrated sulph...

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  10. The P-P-P angle in P(4) molecule is …………..degree while S-S-S angle in ...

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  11. The molecule of PCl(5) in the solid state is ............in nature con...

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  12. ................is obtained when yellow phosphorus is heated with an a...

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  13. What are the neutral oxides of nitrogen?

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  14. As(2)O(5) is ............while Sb(2)O(5) is.................. .

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  15. Red phosphorus is..............reactive than white phosphorus as red p...

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  16. Conc. H(2)SO(4) chars paper, wood and sugar because it removes...........

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  17. Oleum is formed when .............is passed through conc. H(2)SO(4).

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  18. Like O(2), S(2) vapours are.............due to the presence of two unp...

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  19. The tailing of mercury by ozone is due to the fromationn of..............

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  20. ..............is formed when NH(3) is passed through a solution of cal...

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