The engines of the rocket that helped the Apollo II spacecraft to land on the moon used which substance for rocket fuel power?
Q1. The engines of the rocket that helped the Apollo II spacecraft to land on the moon used which substance for rocket fuel power?
Answer: Hydrazine
Explanation: The Apollo Lunar Module's descent engine used Aerozine 50 and nitrogen tetroxide, but the Lunar Module ascent stage used hydrazine-based propellants for the return launch.