At the time of the second wave of the COVID-19 pandemic, which institute had demonstrated the conversion of a nitrogen generator into an oxygen generator?

उत्तर दाखवा आणि स्पष्टीकरण

उत्तर: (B) IIT, Bombay

स्पष्टीकरण

IIT Bombay converted a PSA nitrogen plant into an oxygen generator in April 2021.