RFNA is a rocket fuel (a storeable oxidiser): red fuming nitric acid. HNO3 + 13% N2O4 and 3% H20. The colour of the resulting red fuming nitric acid is imparted by N204.
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Urethra
In anatomy, the urethra is a tube that connects the urinary bladder to the outside of the body. The urethra has an excretory function in both ...