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A chemical compound A is used for the re...

A chemical compound A is used for the recovery of ammonia during preparation of washing soda. When `CO_2` is passed through the aqueous solution of A, the solution turns turbid. A is used for white-washing because of its disinfecting properties. The chemical formula of A is-

A

`Ca(HCO_3)_2`

B

`CaO`

C

`Ca(OH)_2`

D

`CaCO_3`

Text Solution

Verified by Experts

The correct Answer is:
C
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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -MCQ HOTSPOT (SINGLE CORRECT TYPE)
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  2. The correct order of covalent character in the following compounds is-

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  3. A chemical compound A is used for the recovery of ammonia during prepa...

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  4. The compound used for drying neutral or basic gases is-

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  5. Which of the following compounds does not contain calcium carbonate-

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  6. The compound which on thermal decomposition produces a basic and an ac...

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  7. Which of the following oxides does not react with water

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  8. Which of the following carbonates is soluble in water -

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  9. The compound whose aqueous solution is called 'baryta water' is-

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  10. The alkali metal which emits a light of shortest wave-length in the fl...

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  11. The correct order of ionic mobility of the following ions in their aqu...

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  12. Which of the following compounds is not used for storing or immersing ...

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  13. Which of the following compounds is paramagnetic

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  14. KO2 is used in oxygen cylinders that are used for submarines and space...

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  15. Which of the following compounds is most stable-

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  16. The alkali metal for which photoelectric effect is maximum is -

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  17. The melting points of alkali metals are low. Which of the alkali metal...

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  18. Which of the following alkali metal hydroxides is the most basic in na...

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  19. The metal whose carbonate salt is the most stable is-

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  20. Which of the following compounds is used for manufacturing soft soaps-

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