1. 宸ヤ笟涓婂埗鍙栫~鍖栨阿镄勬柟娉曪纻
宸ヤ笟涓婂埗鍙纭鍖栨阿镄勬柟娉曪细閲嶆櫠鐭鍒跺彇鍏朵粬鍙婧舵ч挕鐩愭椂鍊欑殑鍓浜у搧锛BaSO4 + 4C= BaS + 4CO鈫 锛屽弽搴旀浔浠堕珮娓╋绂BaS + 2HCl = BaCl2 + H2S鈫 .