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A gas X turns line water milky. The milk...

A gas X turns line water milky. The milkiness disappears if excess of 'X' is passed. Milkiness reappears on heating the colourless solution. The gas is

A

`CO_(2)`

B

`NO_(2)`

C

`NH_(3)`

D

`SO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A, D
`Ca(OH)_(2)+CO_(2) to CaCO_(3)underset("Excess") overset(CO_(2))to Ca(HCO_(3))_(2)`
`Ca(OH)_(2)+SO_(2) to underset("Milky white")(CaSO_(3)) underset("Excess "H_(2)O) overset(SO_(2))to Ca(HSO_(3))_(2)`
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AAKASH SERIES-VIA GROUP ELEMENTS-LEVEL-II LECTURE SHEET (EXERCISE-I Single & One or More than One Correct Answers)
  1. SO(2) is obtained when the following are heated in air

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  2. In the reaction PbO(2)+SO(2) to PbSO(4)

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  3. A gas X turns line water milky. The milkiness disappears if excess of ...

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  4. In which of the following reactions, SO(2) acts as an oxidising agent?

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  5. Which of the following are amphoteric ?

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

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  7. Which of the following statement(s) is (are) true for SO(2) ?

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  8. Sulphuric acid can be used as:

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  9. Which of the following ions give ppt. with BaCl(2) solution?

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  10. Which of the following gases can be collected by downward displacemen...

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  11. Oxygen is not evolved when:

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  12. In the reaction H(2)S+O(3) to ………. the products are:

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  13. Which reagent does not give oxygen as one of the product during oxidat...

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  14. Which of the following react with dilute H(2)SO(4) to form H(2).

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  15. The compound which gives carbon with conc. H(2)SO(4)

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  16. The following reactions represents the dehydrating property of H(2)SO(...

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  17. Spring's reaction is / are

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  18. Certain reactions regarding H(2)SO(4) are given H(2)SO(4)+NaOH to N...

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  19. Hypo acts as a fixing agent. The correct statements are

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  20. Which of the following statements regarding sulphur is incorrect ?

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