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Calcium oxide is called quick lime. It i...

Calcium oxide is called quick lime. It is prepared by the thermal decomposition of
(i) calcium carbonate, (ii) calcium nitrate
(iii) calcium sulphate, (iv) calcium hydroxide

A

(i),(ii)

B

(ii),(iii)

C

(iii),(iv)

D

(i),(ii),(iii),(iv)

Text Solution

Verified by Experts

The correct Answer is:
D
`CaCO_(3)overset(Delta)toCaO+CO_(2)`
`2Ca(NO_(3))_(2)overset(Delta)to2CaO+NO_(2)+O_(2)`
`CaSO_(4)overset(Delta)toCaO+SO_(2)+O_(2)`
`Ca(OH)_(2)overset(Delta)toCaO+H_(2)O`
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R SHARMA-THE S BLOCK ELEMENTS-Follow-up Test 11
  1. Beryllium shows a diagonal relationship with

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  2. Which of the following is incorrect for both B and AI?

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  3. Calcium oxide is called quick lime. It is prepared by the thermal deco...

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  4. Quick lime is prepared on a commercial scale by heating in a rotary k...

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  5. Which of the following is incorrect for quick lime ?

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  6. The addition of limited amount of water disintegrates the hard lumps o...

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  7. Soda lime is a mixture of

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  8. Lime is used for

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  9. Calcium hydroxide is called slaked lime. It is prepared on a commercia...

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  10. Which of the following is incorrect for slaked lime ?

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  11. A suspension of slaked lime in water is called

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  12. Bleaching powder is prepared by passing chlorine into

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  13. Which of the following changes occur when an excess of CO(2)(g) is pas...

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  14. Limestone rock is the commonest form of calcium carbonate which also o...

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  15. Calcium carbonate, commonly called limestone, is prepared by passing C...

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  16. Which of the following in incorrect for CaCO(3) ?

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  17. Calcium carbonate along with is used as a flux in the extraction of m...

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  18. Calcium carbonate is used as (i) a filler in cosmetics (ii) a cons...

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  19. Plaseter of Paris, a white powder, is

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  20. Plaster of Paris is obtained when gypsum is heated to

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