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The radiactive halogen among the followi...

The radiactive halogen among the following is

A

Fluorine

B

Bromine

C

lodine

D

Astatine

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The correct Answer is:
D
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NIKITA PUBLICATION-P-BLOCK ELEMENT -Competitive Exam
  1. The radiactive halogen among the following is

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  2. In which of the following arrangements, the sequence is not strictly a...

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  3. Each of the following is true for white and red phosphorus except that...

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  4. Which of the following is not known

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  5. Which one of the following elements is most metallic?

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  6. Which of the following oxides of nitrogen is the anhydride of HNO(3)?

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  7. Dissociatuion of H(3)PO(4) occurs in following stages

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  8. Nitrogen forms how many oxides

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  9. The element which catches fire in air at 30^@C and is stored under wat...

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  10. A solution of ammonia in water contains

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  11. Which of the following is oxidised in air?

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  12. Which of the following exist in polymeric form ?

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  13. Which nitrogen trihalides is least basic

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  14. Which of the following oxide of nitrogen is a coloured gas?

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  15. Which oxide does not act as a reducing agent?

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  16. The basic character of hydrides of the 15th-group elements decreases i...

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  17. The strongest base is

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  18. Which has the lowest boiling point?

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  19. Of the following, the most acidic is

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  20. The correct order of the acidic nature of oxides is in the order

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  21. Nitrogen is relatively inactive element because is atom has a stable e...

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