List I(Substances) | List II(Composition) |
A. Plaster of Pairs | 1.\[CaS{{O}_{4}}\cdot 2{{H}_{2}}O\] |
B. Epsomite | 2.\[CaS{{O}_{4}}.\frac{1}{2}{{H}_{2}}O\] |
C. Kieserite | 3.\[MgS{{O}_{4}}\cdot 7{{H}_{2}}O\] |
D. Gypsum | 4.\[MgS{{O}_{4}}\cdot {{H}_{2}}O\] |
5.\[CaS{{O}_{4}}\] |
A) A-3 B-4 C-1 D-2
B) A-2 B-3 C-4 D-1
C) A-1 B-2 C-3 D-5
D) A-4 B-3 C-2 D-1
Correct Answer: B
Solution :
[A] Plaster of Paris \[=CaS{{O}_{4}}.\frac{1}{2}{{H}_{2}}O\] [B] Epsomite \[=MgS{{O}_{4}}\cdot 7{{H}_{2}}O\] [C] Kieserite \[=MgS{{O}_{4}}\cdot {{H}_{2}}O\] [D] Gypsum\[=CaS{{O}_{4}}\cdot 2{{H}_{2}}O\]You need to login to perform this action.
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