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Which of the following solutions does no...

Which of the following solutions does not change its colour on passing ozone through it ?

A

Starch iodide solution

B

Alcoholic solution of benzidine

C

Acidified `H_(2)Cr_(2)O_(7)`

D

Acidified solution of `FeSO_(4)`

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The correct Answer is:
A, B, D
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NARAYNA-16TH GROUP ELEMENTS-LEVEL-V
  1. Which of the following statements are correct?

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  2. Which of the following statements are correct for SO(4)^(2-) ion.

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  3. Which of the following solutions does not change its colour on passing...

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  4. Select the correct statements about Na(2)S(2)O(3).5H(2)O :

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  5. Which of the following statement(s) is/are correct?

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  6. Which of the following statements are correct

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  7. Sulphuric acid is used:

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  8. Which of the following are correct

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  9. Which of the following act both as an oxidising as well as reducing ag...

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  10. Which of the following statements are true

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  11. An organic acid (A) reacts with concentrated oxide (C) and a diatomic ...

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  12. Sulphuric acid is considered as the king of chemicals. The prosperity ...

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  13. Sulphuric acid is considered as the king of chemicals. The prosperity ...

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  14. Sulphuric acid is considered as the king of chemicals. The prosperity ...

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  15. Sulphuric acid is considered as the king of chemicals. The prosperity ...

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  16. Which of the following w.r.t. B are correct? i) B on heating with al...

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  17. D on long standing turn to yellow then to brown and finally to a preci...

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  18. Number of lone pairs, sigma bonds are pi bonds in A are respectively:

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  19. Properties of elements X: (i) Its amide is used as a reducing agent ...

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  20. Properties of elements X: (i) Its amide is used as a reducing agent ...

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