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Tardigrade
Question
Chemistry
Setting of plaster of Paris involves
Q. Setting of plaster of Paris involves
1797
234
The s-Block Elements
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A
oxidation with atmospheric oxygen
B
combination with atmospheric
C
O
2
C
dehydration
D
hydration to yield another hydrate.
Solution:
Setting of plaster of Paris involves hydration to yield dihydrate.
Plaster of Paris
C
a
S
O
4
.
2
1
H
2
O
H
2
O
Gypsum
C
a
S
O
4
.2
H
2
O