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Which alkali metal hydride is used as s...

Which alkali metal hydride is used as source of hydrogen for filling up meteorological balloons?

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Lithium hydride (LiH).
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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -QUESTION-ANSWER ZONE FOR BOARD EXAMINATION (VERY SHORT ANSWER TYPE)
  1. What alkali metal carbonate easily liberates CO2 on heating ?

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  2. Which alkali metal chloride imparts violet colour to the bunsen burner...

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  3. Which alkali metal hydride is used as source of hydrogen for filling...

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  4. Name the products formed in the following reaction. Explain LiI + KF t...

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  5. What is water glass ?

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  6. Which alkali metal combines with nitrogen to form the corresponding ni...

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  7. The raw materials used in the manufacture of Na2CO3 by Solvay process ...

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  8. Which out of Na2CO3 solution & NaHCO3 solution, changes the colour of ...

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  9. What is the main ingredient of baking powder?

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  10. Which compound is used to treat the flue gases from coal and oil-fired...

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  11. What are the ingredients of fusion mixture which is used in dry tests ...

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  12. Which is the most abundant alkaline earth metal in the earth's crust?

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  13. Which alkaline earth metal is radioactive in nature?

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  14. Name the metal of group-2 which is used to prepare Grignard reagent.

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  15. Name the element of group-2 which resembles lithium in characteristics...

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  16. Which alkaline earth metals do not impart any colour to the flame of a...

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  17. Name an alkaline earth metal compound which can be used as a portable ...

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  18. Which Gr-2 metal forms covalent compounds?

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  19. Which Gr-2 metal burns readily when exposed to air?

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  20. Which alkaline earth metal reacts with alkali to form hydrogen gas?

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