Assertion (A) : Plaster of Paris is used by doctors by setting fractured bones.
Reason (R) : When plaster of Paris is mixed with water and applied around the fractured limbs, it sets in to a hard mass.
Answer: A
Plaster of Paris when mixed with water and applied around the fractured limbs, it sets in to a hard mass and keeps the bone joints in a fixed position. So, it can be used for setting fractured bones.