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Soda ash has the chemical formula :...

Soda ash has the chemical formula :

A

`Na_(2)CO_(3)`

B

`NaHCO_(3)`

C

NaOH

D

`Na_(2)O`

Text Solution

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The correct Answer is:
A
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MODERN PUBLICATION-CHEMISTRY OF s-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS (LEVEL-II)
  1. Plaster of paris is

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  2. MgSO(4).7H(2)O on heating above 503 K gives :

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  3. Soda ash has the chemical formula :

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  4. Which of the following metals forms its amide when NH(3) is passed ove...

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  5. Mortar is a mixture of water, sand and :

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  6. In the Solvay process, the reaction : 2NH(4)Cl+Ca(OH)(2)toCaCl(2)+2N...

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  7. Slaking is the process of adding water to :

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  8. Epsom salt has the following uses except :

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  9. Causticization is a process in which :

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  10. Electrolysis of molten NaCl leads to the formation of :

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  11. The most common cations in biological systems are :

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  12. Which of the following pair cannot exist in solution?

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  13. Which of the following compound, on reaction with NaOH and Na(2)O(2) g...

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  14. Which of the following statement is not correct ?

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  15. For two ionic solids KI and CaO, identify the wrong statement among th...

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  16. The correct sequence of increasing covalent character is represented b...

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  17. Which one of the following is not dissolved in dilute hydrochloric aci...

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  18. Sesquoxides of alkali metals may be represented by the formula :

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  19. Among KO(2),AlO(2)^(-),BaO(2)andNO(2)^(+), unpaired electron is presen...

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  20. Which of the following oxides is most acidic in nature ?

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