1£®ÏÂÁз´Ó¦²»·ûºÏBa^2£«£«SO===BaSO₄↓µÄÊÇ(¡¡C¡¡)

A£®ÏõËá±µÈÜÒºÓëÏ¡ÁòËá                  B£®Ï¡ÁòËáÓëÂÈ»¯±µÈÜÒº

C£®Ì¼Ëá±µÓëÏ¡ÁòËá                      D£®ÂÈ»¯±µÈÜÒºÓëÁòËáÄÆÈÜÒº

½âÎö£ºÌ¼Ëá±µÊÇÄÑÈÜÑΣ¬±ØÐëд»¯Ñ§Ê½£¬²»Äܲð³ÉÀë×ÓÐÎʽ¡£

2£®ÔÚË®ÈÜÒºÖÐÄÜ´óÁ¿¹²´æµÄÒ»×éÊÇ(¡¡A¡¡)

A£®K^£«¡¢Na^£«¡¢SO¡¢CO                  B£®K^£«¡¢Cu^2£«¡¢OH^£­¡¢NO

C£®K^£«¡¢Ba^2£«¡¢SO¡¢Cl^£­                               D£®K^£«¡¢ Mg^2£«¡¢SO¡¢OH^£­

½âÎö£ºAÏÎÞÀë×Ó·´Ó¦£»BÏCu^2£«ÓëOH^£­·´Ó¦Éú³É³Áµí£»CÏSOÓëBa^2£«·´Ó¦Éú³É³Áµí£»DÏMg^2£«ÓëOH^£­·´Ó¦Éú³É³Áµí¡£

3£®(2019·ÒË´º¸ßÒ»¼ì²â)ÏÂÁз´Ó¦µÄÀë×Ó·½³ÌʽÊéдÕýÈ·µÄÊÇ(¡¡B¡¡)

A£®Ï¡ÁòËáµÎÔÚÌúƬÉÏ£º2Fe£«6H^£«===2Fe^3£«£«3H₂↑

B£®Ñõ»¯¸ÆÓëÏ¡ÑÎËá·´Ó¦£ºCaO£«2H^£«=== Ca^2£«£«H₂O

C£®Ï¡ÏõËáÓëʯ»ÒÈé·´Ó¦£ºH^£«£«OH^£­===H₂O