Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Chemistry in Everyday Life
A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. It becomes hard on drying to keep the fractured bone immobilised. This POP -
1
can be reversed
2
cannot be reversed
3
can do both
4
More than one of the above
5
None of the above