鏁欒偛閰嶅璧勬枡
K12
鏁欒偛閰嶅璧勬枡
K12
2017
骞村寳浜競瑗垮煄鍖洪珮鑰冨寲瀛︿簩妯¤瘯鍗?/p>
涓�銆侀�夋嫨棰樻湰閮ㄥ垎鍏?/p>
7
灏忛锛屾瘡灏忛
6
鍒嗭紝鍏?/p>
42
鍒嗭紟鍦ㄦ瘡灏忛鍒楀嚭鐨勫洓涓�夐」涓紝閫夊嚭鏈�
绗﹀悎棰樼洰瑕佹眰鐨勪竴椤癸紟
1
锛庝笅鍒楁潗鏂欎腑涓嶅睘浜庢湁鏈洪珮鍒嗗瓙鍖栧悎鐗╃殑鏄紙
锛?/p>
A
B
C
D
瀹囧畽椋炶埞澶栧３
鍏夊绾ょ淮
瀹囪埅鏈?/p>
灏夸笉婀?/p>
閰氶啗鏍戣剛
浜屾哀鍖栫
鑱氶叝绾ょ淮
鑱氫笝鐑吀閽?/p>
A
锛?/p>
A
B
锛?/p>
B
C
锛?/p>
C
D
锛?/p>
D
2
锛庝笅鍒椾簨瀹炰笌姘磋В鍙嶅簲鏃犲叧鐨勬槸锛?/p>
锛?/p>
A
锛庣敤
Na
2
S
闄ゅ幓搴熸按涓殑
Hg
2+
B
锛庣敤鐑殑
Na
2
CO
3
婧舵恫鍘绘补姹?/p>
C
锛庡埄鐢ㄦ补鑴傜殑鐨傚寲鍙嶅簲鍒堕�犺偉鐨?/p>
D
锛庨厤鍒?/p>
CuSO
4
婧舵恫鏃跺姞灏戦噺绋�
H
2
SO
4
3
锛庝笅鍒椾簨瀹炰笉鑳界敤鍏冪礌鍛ㄦ湡寰嬭В閲婄殑鏄紙
锛?/p>
A
锛庨吀鎬э細
HClO
4
锛?/p>
H
2
SO
4
B
锛?/p>
Na
銆?/p>
Mg
涓庢按鍙嶅簲锛?/p>
Na
鏇村墽鐑?/p>
C
锛庢皵鎬佹阿鍖栫墿鐨勭ǔ瀹氭�э細
HF
锛?/p>
HCl
D
锛庡悜
Na
2
SO
3
婧舵恫涓姞鐩愰吀锛屾湁姘旀场浜х敓
4
锛庡凡鐭ュ弽搴旓細
2Fe
3+
+2I
锕?
鈬?/p>
2Fe
2+
+I
2
锛岀敤
KI
婧舵恫鍜?/p>
FeCl
3
婧舵恫杩涜濡備笅瀹為獙锛庝笅鍒楄娉曚腑锛屼笉
姝ｇ‘鐨勬槸锛?/p>
锛?/p>