प्लास्टर ऑफ पेरिस का सूत्र क्या है?
Asked in – RPF SI Previous Paper 4 (Held On: 6 Jan 2019 Shift 1)
- CH3COOH
- (NH4)2SO4
- CaSO4.1/2H2O
- CaSO4
Gk Section Changed status to publish 02/10/2024
Online Preparation for Current Affairs and General Knowledge.
Asked in – RPF SI Previous Paper 4 (Held On: 6 Jan 2019 Shift 1)