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Black ash is:...

Black ash is:

A

NaOH + CaS

B

NaHCO_3 + CoS`

C

Na_2CO_3 + CaS`

D

Na_2CO_3 + CoS`

Text Solution

Verified by Experts

The correct Answer is:
C
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MBD PUBLICATION-S- BLOCK ELEMENTS [ALKALI AND ALKALINE EARTH METALS]-QUESTION TYPE
  1. Na2CO3 can be manufactured by Solvay's process but K2CO3 can not be ...

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  2. Which is more basic in character?

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  3. Black ash is:

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  4. The electrolyte employed in the extraction of sodium by Down's electro...

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  5. Which statement is false in case of alkali metals ?

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  6. Baking soda or baking powder is :

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  7. An atom of an element has electronic structure 2, 8, 1. Which statemen...

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  8. Sodium sulphate is soluble in water whereas barium sulphate is sparing...

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  9. Acidified solution of sodium thiosulphate are unstable because in thio...

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  10. Washing soda is:

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  11. Common table salt becomes moist and does not pour easily in rainy seas...

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  12. Which alkali metal is most metallic in character

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  13. Na2CO3 and NaHCO3 may be distinguished by treating their aqueous solut...

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  14. Sodium burns in dry air to give

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  15. Caesium oxide will be:

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  16. An inorganic compound first melts then resoldifies and then liberates ...

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  17. Which is industrially prepared by the electrolysis of aqueous NaCl ?

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  18. Which hydride is most stable ?

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  19. When NaCl is dissolved in water, the sodium ions are:

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  20. A and B are two salts. A with dilute HCl and A and B with conc. H2SO4 ...

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