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While testing BO(3)^(3-) thre is green e...

While testing `BO_(3)^(3-)` thre is green edged flamed on heating the ssalt with conc. `H_(2)SO_(4)` and `CH_(3)OH`. Green colour is of

A

`(CH_(3))_(3)B`

B

`(CH_(3)O)_(3)B`

C

`B_(2)O_(3)`

D

`H_(3)BO_(3)`

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VMC MODULES ENGLISH-p-BLOCK ELEMENTS-1-LEVEL 2
  1. Boron carbide is used :

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  2. Aqueous solution of borax reacts with two mol of acids. This is becaus...

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  3. While testing BO(3)^(3-) thre is green edged flamed on heating the ssa...

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  4. The gaseous product(s) expected at room temperature by reaction of sod...

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  5. Choose the correct sequence for the geometry of the given molecules ...

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  6. Borax is uded as a cleaning agent because on dissolving in water, it g...

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  7. From B(2)H(6), all the following can be prepared except

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  8. Borax is converted into crystalline boron by the following steps : B...

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  9. B(2)H(6) on reaction with methanol does not form

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  10. Which of the following is a true statement ?

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  11. Which of the following is sparingly soluble in cold water and fairly s...

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  12. Match the column:

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  13. Match the column:

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  14. Borax is actually made of two tetrahedra and two triangular units join...

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  15. Borax is actually made of two tetrahedra and two triangular units join...

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  16. The reason for small radius of Ga compared to Al is ……..

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  17. Which of the following statements are correct. Answer on the basis of ...

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  18. One can obtain a silica garden if :

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  19. Silicon carbide is used as

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  20. A student prepared a sample of silicon chloride by passing chlorine ov...

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