प्लास्टर ऑफ पेरिस का रासायनिक सूत्र क्या है?
Asked in – BSF RM Official Paper (Conducted on 22-Sep-2019)
- CaSO4
- CaSO4.2H2O
- CaSO4.1/2 H2O
- CaSO4.H2O
Gk Section Changed status to publish 24/11/2024
Online Preparation for Current Affairs and General Knowledge.
Asked in – BSF RM Official Paper (Conducted on 22-Sep-2019)