1.涓嬪垪鐗╄川灞炰簬纰辩殑鏄?銆€銆€)
銆€銆€銆€銆€銆€銆€ 銆€銆€銆€銆€銆€銆€ 銆€銆€銆€銆€銆€
A.NaCl B.MgO C.H2SO3 D.Ca(OH)2
绛旀D
瑙f瀽NaCl灞炰簬鐩愮被,MgO灞炰簬纰辨€ф哀鍖栫墿,H2SO3灞炰簬閰?Ca(OH)2灞炰簬纰?鍥犳閫夐」D姝g‘銆侟br>2.(2018?鍙板窞涓绗竴娆$粺缁?涓嬪垪浠櫒鍚嶇О涓嶆纭殑鏄?銆€銆€)
绛旀C
瑙f瀽C椤逛华鍣ㄦ槸娉ヤ笁瑙?涓嶆槸涓夎剼鏋?鏁匔閿欒銆侟br>3.涓嬪垪鐗╄川灞炰簬寮辩數瑙h川鐨勬槸(銆€銆€)
A.CH3COOH B.閾淈br>C.姘㈡哀鍖栭捑鍥轰綋 D.涔欓唶
绛旀A
瑙f瀽CH3COOH灞炰簬寮遍吀,灞炰簬寮辩數瑙h川銆侟br>4.涓嬪垪鍙嶅簲涓嶅睘浜庡洓绉嶅熀鏈弽搴旂被鍨嬬殑鏄?銆€銆€)
A.CuSO4+H2S CuS鈫?H2SO4
B.2FeCl3+Cu 2FeCl2+CuCl2
C.Cu2(OH)2CO3 2CuO+CO2鈫?H2O
D.4Fe(OH)2+O2+2H2O 4Fe(OH)3
绛旀B