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When orthoboric acid is heated to red he...

When orthoboric acid is heated to red heat the residue is

A

metaboric acid

B

Boron

C

Boric anhydride

D

Borax

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RESONANCE ENGLISH-P BLOCK ELEMENTS-INORGANIC CHEMISTRY(P-Block Elements)
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  6. Nitrogen and oxygen exist as diatomic but their congeners are P(4) and...

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  7. H(3)BO(3) is.

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  8. The Lewis acid character of halides of boron are as follows :

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  9. Ammonia can be dried by :

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  10. Xe F(6) on completely hydrolysis gives

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  11. Which of the following metals gives N(2)O gas with dilute HNO(3) ?

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  12. HNO(3) on dehydration with phosphorus pentaoxide yields :

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  15. What are the products formed in the reaction of xenon hexafluoride wit...

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  16. Which of the following compounds gives a mixture of SO(2) and SO(3) ...

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  17. Which oxide of carbon is obtained when K(4)[Fe(CN)(6)] is warmed with...

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  18. Which of the following options correctly describes the reagents , prod...

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