SATHEE: The sBlock Elements - Result Question 40

The sBlock Elements - Result Question 40

####46. Match List - I with List-II for the compositions of substances and select the correct answer using the code given below the lists :

[2011M] List - I

Substances

(1) Plaster of paris

(2) Epsomite

(3) Kieserite

(4) Gypsum

List - II Composition

(i) $C a S O_{4} \cdot 2 H_{2} O$

(ii) $C a S O_{4} \cdot \frac{1}{2} H_{2} O$

(iii) $M a S O_{4} \cdot 7 H_{2} O$

(iv) $M g S O_{4} \cdot H_{2} O$

(v) $C a S O_{4}$ Code :

$Unknown environment 'tabular'$

Show Answer

Solution:

(b) (A) Plaster of paris $= C a S O_{4} \cdot \frac{1}{2} H_{2} O$

(B) Epsomite $= M g S O_{4} \cdot 7 H_{2} O$

(D) Gypsum $= C a S O_{4} \cdot 2 H_{2} O$

Plaster of paris can be more accurately written as $(C a S O_{4})_{2} \cdot H_{2} O$

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The sBlock Elements - Result Question 40

List - II Composition

Solution:

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