What is ‘Alimonium Pechlorate?’ I have been reading a book and have come across it. Help

Question: What is 'Alimonium Pechlorate?' I have been reading a book and have come across it. Help
- Keywords:
  chemical,
  properties
Asked by macCombiLJD to Claire, Liad, Ryan, Mako on 24 Jun 2015.
- Tat Ming Mako Ng answered on 24 Jun 2015:
  
  I assume you are talking about ammonium perchlorate, with a chemical formular NH4ClO4
  
  Ammonium perchlorate is a solid fuel that uses in rockets.
- Ryan Cheale answered on 24 Jun 2015:
  
  Rocket Fuel!
  
  If you’re reading books on rockets good on you!
  
  Can you tell me what else is used in rockets to make them go?

macCombiLJD commented on 24 Jun 2015:

gunpowder? I guess

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- Ryan commented on 25 Jun 2015:
  
  Close, gunpowder does provide energy but it’s not quite enough for a rocket. A lot of propellents make use of liquid hydrogen and oxygen which are cryogenic propellants. The one you mentioned is a Hypergolic 🙂
  
  This will tell you more, http://www.braeunig.us/space/propel.htm
  
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Question: What is 'Alimonium Pechlorate?' I have been reading a book and have come across it. Help