Which of the following could act as a propellant for rockets?
Liquid hydrogen + liquid nitrogen
Liquid oxygen + liquid argon
Liquid hydrogen + liquid oxygen
Liquid nitrogen + liquid oxygen
As we learned
Chlorofluorocarbons / Aerosols / Freon’s -
Damaging the ozone layer and thus increasing UV rays reaching the earth.
- wherein
Used as refrigerants, propellants, air conditioners, fire extinguisher, etc.
Liquid hydrogen + Liquid oxygen can be used as propellant for rockets.
Option 1)
Liquid hydrogen + liquid nitrogen
Option 2)
Liquid oxygen + liquid argon
Option 3)
Liquid hydrogen + liquid oxygen
Option 4)
Liquid nitrogen + liquid oxygen
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