A doctor applied surgical bandages on the fractured bones of a patient after making them wet. What changes are likely to occur ?

Explanation

Surgical bandges are made from Plaster of Paris. When applied on the fractured bones after making them wet, it changes into a hard mass called Gypsum.
`underset("Plaster of Paris")(CaSO_(4).1//2)H_(2)O+3//2H_(2)Otounderset("Gypsum")(CaSO_(4)).2H_(2)O`
The hard mass keeps the bones in proper position and the gap is slowly filled because of calcification the is taking place on the broken parts. This helps in uniting broken bones and they change to a single pices again. The patient gets cured.