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The reason of lowest boiling point of He...

The reason of lowest boiling point of Helium is

A

oxidation state

B

small size

C

large size

D

weak van der Waals’ force

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BODY BOOKS PUBLICATION-THE P-BLOCK ELEMENT-Example
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  2. An atom with high electronegativity has.

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  3. The reason of lowest boiling point of Helium is

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  4. What is the covalence of nitrogen in N2O5?

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  5. Which one has higher electron gain enthalpy with negative slgn sulphur...

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  6. Is used in filling weather balloons.

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  7. Observe the relationship between the first two terms and fill In the b...

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  8. is an allotrope of oxygen: It is formed at upper atmosphere by action ...

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  9. Choose correctly matched pairs.

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  10. “H3PO2 is a tribaslc acid”. State whether this statement Is true or fa...

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  11. PH3 is reacts with HI to form a salt .

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  12. Which of the following does not react with O2 directly Zn, Ti,Pt, Fe?

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  13. Which aerosols deplete ozone?

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  14. Which one of the following does not exist? i 'XeOF4' iiNeF2 iii XeF iv...

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  15. Ammonia has a higher boiling point and Is less volatile because of.

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  16. Compound is used as the covering liquid in refrigerators ?

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  17. The most abundant oxidation states of nitrogen are.

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  18. Name a disinfectant produced using slakedlime and chlorine. Give its c...

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  19. Name two allotropes of sulphur.

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  20. Sketch the structure of XeF4 Indicating lone pairs of electrons, if an...

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