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Identify the correct statement...

Identify the correct statement

A

Gypsum is obtained by heating plaster of paris

B

Plaster of paris can be obtained by hydration of gypsum

C

Plaster of paris contains higher percentage of calcium than that of gypsum

D

Plaster of paris is obtained from gypsum by oxidation

Text Solution

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The correct Answer is:
C
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SURA PUBLICATION- ALKALI AND ALKALINE EARTH METALS-ADDITIONAL QUESTION ( ADDITIONAL CHOOSE THE CORRECT ANSWER)
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  2. Give the correct order of thermal stabiiity of alkaline earth metal ca...

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  3. M+2H2OtoM(OH)2+H2 which among the following metals does not undergo ...

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  4. Assertion : The fluorides of alkaline earth metals are almost insolubl...

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  5. Which is insoluble in water?

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  6. The correct statements is / are : (i) BeCl2 is a covalent compound ...

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  7. In which of the following reactions, MgO is not formed

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  8. Several blocks of magnesium are fixed to the bottom of a ship to

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  9. Identify the correct statement

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  10. The metals X and Y that form oxide and nitride , when burnt in air are

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  11. Alkali metal are reactive.

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  12. Spodumene is the silicate mineral of

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  13. Which of the following is incorrect ?

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  14. Monovalent cations having stable electronic configurations similar to ...

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  15. Lithium directly reacts with carbon to form the ionic compound

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  16. The coolant used in fast breeder reactor is .

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  17. Except halides, all the other halides of alkaline earth metals are io...

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  18. Which is the correct statement about sodium chloride?

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  19. The atomic and inoic radii and alkaline earth metals are than the cor...

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  20. Which is known as a natural insulator?

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