Question

The engines of the rocket that helped the Apollo $11$ spacecraft to land on the moon, used for rocket fuel power.

• A. Hydrazine
• B. Hydrogen
• C. Oxygen
• D. Propane

Answer 1

The correct option is A Hydrazine

Hydrazine, $\left(N_2{H}_4\right)$

Substance used for launching rocket are called rocket propellant.

A propellant have two part-

1. fuel
2. oxidiser
   

Liquid propellant: fuel and oxidiser both are liquid.

• fuel (kerosene, $N_2{H}_4$, liquid $H_2$)
• oxidiser($liq.O_2,N_2{O}_4$)