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Identify the correct statement....

Identify the correct statement.

A

Gypsum contains a lower percentage of calcium than Plaster of Paris

B

Gypsum is obtained by heating Plaster of Paris

C

Plaster of Paris is obtained by hydration of gypsum

D

Plaster of Paris is obtained by partial oxidation of gypsum

Text Solution

Verified by Experts

The correct Answer is:
1
`underset("Gypsum")(2[CaSO_(4).2H_(2)O])rarr underset("Plaster of Paris")(2CaSO_(4).H_(2)O)("calcium sulphate hemihydrate")+3H_(2)O`
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RESONANCE-S BLOCK ELEMENTS-INORGANIC CHEMISTRY(s-Block Elements)
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  3. Identify the correct statement.

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  5. In the manufacture of metallic sodium by the fused salt electrolysis (...

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  6. Gypsum CaSO(4).2H(2)O on heating about 120^(@)C forms a compound whic...

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  7. A solid compound 'X' on heating gives CO(2) gas and a residue. The res...

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  8. The process of industrial manufacturing of sodium carbonate is known a...

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  9. A substance X is a compound of s- block element, substance X give a v...

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  10. On combustion in excess of air sodium mainly forms :

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  11. Following information are known abot a metal M : I. A salt of metal...

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  12. Consider the following statements and pick out the wrong one. (1) T...

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  13. Which of the following statement is correct ?

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  14. Sodium hydroxide is manufacture by the electrolysis of brine solution....

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  15. Among the carbonates of alkali metals which one has highest thermal st...

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  16. When hydrated MgCI(2).6H(2)O is strongly heated,

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  17. Potassium when heated strongly in oxygen, if forms :

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  18. At high temperature, nitrogen combines with CaC(2) to give :

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  19. Which of the following statement about the sulphate of alkali metal is...

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  20. Which of the following statement is false :

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