Question

which of the following fuel used in satellite launching vehicle​

Answer 1

Answer:

liquid hydrogen and liquid oxygen have a very high specific impulse and are used for the upper or second stages of a rocket. Dense liquids such as RP-1--similar to kerosene--are sometimes used for the first stage but lack the high specific impulse for use in space but also HYDRAZINE ,  a First used in rocket engines by the German Luftwaffe during World War Two, hydrazine remains the main propellant of choice for a satellite's onboard thrusters, used for orbit correction or stationkeeping during its working life.