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Quicklime and slaked lime are the cheape...

Quicklime and slaked lime are the cheapest and the most widely used bases for neutralising unwanted acids. Lime is used to neutralise acidic soils. A important application of quicklime is in air pollution control for the removal of `SO_(2)` in electric power plants. Slaked lime is used in the manufacture of other alkalis and bleaching powder, in sugar refining, in tanning hides and in water softening
The drying agent which absorbs `CO_(2)` and reacts violently with water is

A

Sodium carbonate

B

Quick lime

C

cone. `H_(2)SO_(4)`

D

Alcohol

Text Solution

Verified by Experts

The correct Answer is:
B
CaO is called Quick lime it is used as drying agnet and reacts violently with `H_(2)O`
`CaO + H_(2)O rarr Ca(OH)_(2),DeltaH = - 15 K`. Cal
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AAKASH SERIES-ALKALINE EARTH METALS-PRACTICE SHEET LEVEL II (STRAIGHT OBJECTIVE TYPE QUESTIONS)
  1. BeCI(2)+LiAIH(4)rarrX-LiCI +AICI(3)

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  2. The order of thermal stability of carbonates of HA group is

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  3. A pair of substances which gives the same products on reaction with wa...

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  4. The high melting and high boiling element in IIA group elements is

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  5. Select the correct statement out of the following

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  6. Which of the following are inoic earbides ?

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  7. Which of the following pair of elements will give superoxides and pero...

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  8. Which of the following oxides have rock salt structure with coordinati...

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  9. Select the correct statement about harium :

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  10. Mg and Zn have following resemblance :

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  11. Quicklime and slaked lime are the cheapest and the most widely used ba...

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  12. Quicklime and slaked lime are the cheapest and the most widely used ba...

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  13. Magnesium is a valuable, light weight used as a structural mataerial a...

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  14. Magnesium is a valuable, light weight metal used as a structural mater...

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  15. Magnesium is a valuable, light weight metal used as a structural mater...

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  16. How many of the following metals can from peroxides Be, Mg, Ca, Sr, Ba

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  17. Among the following oxides, how many have NaCi type structure BeO, MgO...

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  18. Number of water molecules present in the hydrated state of MgSO(4)

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  19. Number of water molecule in 2 mole of plaster of pairs

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  20. Number of moles of water required for the hydroysis of 1 mole of Be(2)...

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