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?

উত্তর দেখান ও ব্যাখ্যা

উত্তর: (B) IIT, Bombay

ব্যাখ্যা

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