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Which of the following methods can be us...

Which of the following methods can be used to produce phosphine gas ?

A

`Ca_(3)P_(2)+H_(2)O rarr`

B

`PH_(4)I+KOH rarr`

C

Heating of `H_(3)PO_(2)`

D

White `P+NaOH underset("atmosphere")overset("Inert")rarr`

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The correct Answer is:
A, B, C, D
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GRB PUBLICATION-P BLOCK ELEMENTS-Multiple Objective Type
  1. Which among the following is a use of helium?

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  2. Select the correct statement (s) regarding compounds of noble gases:

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  3. Which of the following methods can be used to produce phosphine gas ?

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  4. Which of the following is a redox reaction ?

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  5. Compound (A) contains Cl in its structure and Cl has uninegative and u...

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  6. Which of the following produce(s) N(2) gas ?

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  7. Which of the following reaction(s) give white precipitate?

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  8. Which of the following crystal will have at least two axial angle 90^(...

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  9. When a compound X reacts with ozone in aqueous medium, a compound Y is...

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  10. Which of the following statement is /are correct regarding B(2)H(6)?

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  11. Which of the following statements is /are correct regarding inter-halo...

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  12. When an inorganic compound (X) having (3c, 2e) as well as (2c, 2e) bon...

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  13. Boric acid :

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  14. The correct statement(s) related to allotropes of carbon is/are:

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  15. Al(2)(SO(4))(3)+NH(4)OH rarr X, then:

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  16. The species that undergo(es) disproportionation in al alkaline medium ...

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  17. Select correct statement(s):

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  18. Which of the following is/are correct for group 14 elements?

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  19. Zeolite is used in which of the following cases?

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  20. Which of the following oxides are mixed oxide?

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