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The following are statments regarding so...

The following are statments regarding sodium carbonate
i) The formula of washing soda is `Na_(2)CO_(3).10H_(2)O`
ii) Black ash is amixture of `CaCO_3+Na_(2)S`
iii) The principal involved in the preparation of `Na_(2)CO_3` by Solvay process is very low solubility of `NaHCO_(3)`.

A

i and iii are correct

B

i and ii are correct

C

ii and iii are correct

D

all are correct

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The correct Answer is:
A
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AAKASH SERIES-ALKALI METALS-OBJECTIVE EXERCISE - 2
  1. Which one of these is basic ?

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  2. Which of the following is formed when lithium is heated in air ?

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  3. Which of the following is paramagnetic

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  4. Zinc reacts with hot and concentrated NaOH and forms

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  5. The sodium hydroxide solution at the surface reacts with the CO(2) in ...

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  6. Sodium peroxide which is a yellow solid, when exposed to air becomes w...

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  7. Sodium carbonate is soluble in water because

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  8. Which of the following statements is not true for lithium ?

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  9. Which of the following is not the correct use of caustic soda ?

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  10. Match the following {:("List - I","List - II"),("A) "NaOH,"I) In fir...

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  11. The statments regarding the compounds of sodium are (i) The mixture...

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  12. Consider the following reactions : I. Al + NaOH + H2O overset(Delta...

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  13. The following are statments regarding sodium carbonate i) The formul...

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  14. Read the following statements i) Crystal of NaOH are deliquescent ...

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  15. Match the following {:("List - I","List - II"),("A) "NaOH,"I) In fir...

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  16. Na(2)O(3).10H(2)Ooverset(373K)rarrAoverset(gt373K)rarrB. 'A' in the...

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  17. Which of the following are arranged in increasing order of solubilitie...

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  18. The following are the statements regarding NaOH i) It is prepared by C...

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  19. The metal that behaves odd when dissolved in a solution of caustic sod...

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  20. The pair of compound which cannot exit together in solution is

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