Ammonium perchlorate was used in the disaster that occurred in what city?
Ammonium perchlorate Ammonium perchlorate ("AP") is an inorganic compound with the formula NHClO. It is a colorless or white solid that is soluble in water. Perchlorate is a powerful oxidizer and ammonium is a good fuel. This combination explains the usefulness of this material as a rocket propellant. Its instability has involved it in a number of accidents, such as the PEPCON disaster.
1048 Yellow River flood The AD 1048 Yellow River flood was a natural disaster along the Yellow River in China caused by the failure of a fascine at Shanghu.