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Match the following:

        Metal salts

       Other names                          

    \mathrm{CaSO}_4 \cdot 2 \mathrm{H}_2 \mathrm{O}(\mathrm{I}) \\

     A) Albaster

    \mathrm{Ca}(\mathrm{OCl})_2(\mathrm{II}) \\   

     B) Plaster of Paris

    \mathrm{CaSO}_4 \cdot 1 / 2 \mathrm{H}_2 \mathrm{O}(\mathrm{III}) \\

     C) Bleaching Powder

    \mathrm{CaSO}_4(\mathrm{IV}) \

     D) gypsum
Option: 1

I -A, II-B, III-C, IV- D

 


Option: 2

I-D, II- C, III-B, IV-A


Option: 3

I-D, II-C, III-B, IV-A


Option: 4

I- A, II-B, III-D, IV-C


Answers (1)

\mathrm{CaSO}_4 \cdot 2 \mathrm{H}_2 \mathrm{O} is called gypsum which dehydrates to  \mathrm{CaSO}_4 \cdot 1 / 2 \mathrm{H}_2 \mathrm{O} called plaster of Paris.

Plaster of Paris dehydrates to \mathrm{CaSO}_4 called alabaster.

\mathrm{Ca}(\mathrm{OCl})_2   is called bleaching powder.

Posted by

Sumit Saini

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