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(i) A+Na(2)CO(3) rarr B+C (ii) A overs...

(i) `A+Na_(2)CO_(3) rarr B+C`
(ii) `A overset(CO_(2))(rarr) ("Milky")C`
The chemical formula of `A` and `B` are respectively

A

`NaOH` & `Ca(OH)_(2)`

B

`Ca(OH)_(2)` and `NaOH`

C

`NaOH` and `CaO`

D

`CaO` & `Ca(OH)_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`underset((A))(Ca(OH)_(2))+Na_(2)CO_(3) overset(Delta)(rarr) underset((B))(2NaOH) +underset((C))(CaCO_(3))`
`underset((A))(Ca(OH)_(2)) overset(CO_(2))(rarr) underset((C))(CaCO_(3) darr)`
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BANSAL-S BLOCK-Exercise-1
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  2. The salt which finds uses in qualitative inorganic analysis is

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  4. CsBr(3) contains

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  5. Which of the following statement is false

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  7. Mg(2)C(3) reacts with water forming propyne. C(3)^(4-) has

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  8. ("White ppt")D underset(dil. H(2)SO(4))overset(Na(2)CO(3))(larr) under...

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  9. Li does resemble other alkali metals in following properties:

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  10. The pair of compounds which cannot exist together in aqueous solution ...

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  11. Crown ethers and cryptands form

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  12. Calcium imide on hydrolysis will give gas (B) which on oxidation by be...

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  13. The commercial method of preparation of potassium by reduction of molt...

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  16. When conc. H(2)SO(4) was treated with K(4) [Fe(CN)(6)], CO has was evo...

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  18. Which of the following statement is false

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  19. Which of the following is not a water softener?

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  20. Which of the following gases are evolved by the electrolysis of aqueou...

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