Yesterday a street-begger bought a lottery ticket purposelessly,_______him a million overnight. A making B to make

熱心網(wǎng)友

先看下題干：含有大量ba2+，和能與鋁反應(yīng)生氣氫氣的液體說(shuō)明含有hcl共存指的是物質(zhì)之間不會(huì)發(fā)生反應(yīng)。a：fe3+hcl反應(yīng)生成fecl3沉淀（fe3+溶液黃色）b：ba2+so4反應(yīng)生成baso4沉淀c：hco3和hcl反應(yīng)生成氣泡d：cu2+溶液綠色這好像是個(gè)錯(cuò)題

熱心網(wǎng)友

A

熱心網(wǎng)友

a