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Which of the following is//are true for ...

Which of the following is//are true for oxygen.

A

`KMnO_(4)`(S) on strong heating given oxygen gas

B

Oxygen mixed with helium is used for artificial respiration

C

It has two unpaired electrons in bonding `pi` molecular orbitals

D

Fractional distillation of liquefied air is used as an industrial method for the preparation of oxygen gas

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A, B, D
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RESONANCE ENGLISH-NITROGEN & OXYGEN FAMILY-Exercise 2 (Part-III : One or more than one option correct type)
  1. White phosphorus may be removed from red phosphorus by :

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  2. The compound which on strong heating gives oxygen is :

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  3. Which of the following is//are true for oxygen.

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  4. What happens when: SO2 gas is passed through KMnO4 solution.

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  5. Select the incorrect statement regarding the ozone.

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  6. Which of the following does not give an oxide on heating ?

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  7. Which of the following ions dissolve in excess of aq. NH(3)

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  8. Which of the following is//are incorrect statement(s) for phosphine ?

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  9. Which of the following processes give sulphur ?

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  10. How is H(2)S prepared in laboratory ?

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  11. A gas is obtained on heating ammonium nitrate.The gas:

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  12. Which of the following repressents correct dissociation of nitrate sal...

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  13. Which metal does not form nitrate when heated with conc HNO(3):

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  14. When zinc nitrate crystals are strongly heated it gives:

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  15. Select the correct statement.

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  16. Which of the following statements is (are) correct ?

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  17. The phosphorous containing compound produced in the reaction of HNO(3)...

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  18. Which among the following is//are peroxo acid (s) ?

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  19. The phosphorous containing compound produced in the reaction of H(2)SO...

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  20. The phosphorous containing compound produced in the reaction of P(4)O(...

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