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Why is sodium kept under kerosene ?...

Why is sodium kept under kerosene ?

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Why is sodium metal kept under kerosene oil ?

Why is sodium stored in kerosine ?

(a). Why is sodium kept immersed in kerosene oil? (b). Why is white phosphorus kept immersed under water? (c). Can we keep sodium immersed under water? Why?

Why is sodium kept immersed in kerosene oil?

Sodium metal is kept under kerosene. Explain .

PEARSON IIT JEE FOUNDATION-NATURE OF MATTER -VERY SHORT ANSWER TYPE QUESTIONS
  1. What is meant by atomicity of an element ? Give some examples of polya...

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  2. Distinguish between filtration and centrifugation.

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  3. Silver is a substance which expands on melting, so, its melting point ...

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  4. Give an example each for solid-liquid and solid-solid types of a homog...

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  5. The atomicity of the element phosphorus is .

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  6. is the method of separating heavier fat particles of milk from lighter...

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  7. A metal "A" reacts with a metallic chloride of "B" to give metal "B". ...

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  8. Solubility of a gas in a liquid with rise of temperature.

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  9. Give an example for a liquid-liquid heterogeneous mixture. Suggest a m...

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  10. The forces of attraction existing between similar molecules are .

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  11. How do you separate a mixture of (a) CO2 and O2 and (b) H2 and O2 ?

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  12. The formation of phosphorus pentachloride from phosphorus trichloride ...

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  13. The addition of MnO2 to KClO3 decreases the temperature at which KClO3...

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  14. What is paper chromatography ?

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  15. A mixture of NH3 and H2 can be separated by applying pressure, because...

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  16. Why is sodium kept under kerosene ?

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  17. A compound is always .

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  18. A reaction of decomposition of a compound AB is accompanied by absobti...

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  19. The temperature above which no amount of pressure can cause a gas to ...

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  20. What is sublimation ? Give some examples.

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