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  • Match list-I with List-II for the composition of substances and select the correct answer using the code given below the lists   <table align="center" border="1" cellpadding="

Match list-I with List-II for the composition of substances and select the correct answer using the code given below the lists

 

  List - I
Substances		  

List - II
Composition

(A)

 Plaster of Paris (i)

CaSO4.2H2O
(B) Epsomite (ii) \text{CaSO}_{4.}\frac{1}{2}\text{H}_{2}\text{O}
(C) Kieserite (iii)

MgSO4.7H2O
(D) Gypsum (iv)

MgSO4.H2O
    (v)

CaSO4

Code:

        (A)                (B)            (C)                (D)

Option: 1

(i)                    (ii)                (iii)                   (v)


Option: 2

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


Option: 3

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


Option: 4

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


Answers (1)

best_answer

(A) Plaster of Paris  \rightarrow  

                                     \mathrm{CaSO}_{4} \cdot \frac{1}{2} \mathrm{H}_{2} \mathrm{O}

(B) Epsomite  \rightarrow

                                     M g S O_{4} .7 H_{2} O

(C) Kieserite  \rightarrow

                                     M g S O_{4} .H_{2} O

(D) Gypsum \rightarrow

                                     \mathrm{CaSO}_{4} \cdot 2 \mathrm{H}_{2} \mathrm{O}

Therefore, 4th option is correct.

Posted by

Sayak

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