1
2019
骞磋丹宄板競鍒濅腑姣曚笟銆佸崌瀛︾粺涓�鑰冭瘯璇曞嵎
鐗╃悊路鍖栧
锛堟湰璇曞嵎鍏辨湁鐗╃悊銆佸寲瀛︿袱閮ㄥ垎锛岀墿鐞?/p>
90
鍒嗭紝鍖栧
70
鍒嗭紝鑰冭瘯鏃堕棿
120
鍒嗛挓锛?/p>
鍖?/p>
瀛?/p>
鍙兘鐢ㄥ埌鐨勭浉瀵瑰師瀛愯川閲忥細
H
鈥?/p>
1
C
鈥?/p>
12
Al
鈥?/p>
27
Fe
鈥?/p>
56
涓�銆侀�夋嫨棰橈紙姣忓皬棰樺彧鏈変竴涓�夐」绗﹀悎棰樻剰锛岃灏嗙鍚堥鎰忕殑閫夐」搴忓彿锛屽湪绛旈鍗＄殑瀵瑰簲浣嶇疆涓婃寜
瑕佹眰娑傚睘锛庢瘡灏忛
2
鍒嗭紝鍏?/p>
28
鍒嗭級
1
锛庝笅鍒楀仛娉曚笉绗﹀悎
锛庯紟锛?
鈥滀綆纰斥�濈悊蹇电殑鏄紙
锛?/p>
A
锛庝娇鐢ㄥお闃宠兘
B
锛庝箻鍏氦鍑鸿
C
锛庝娇鐢ㄤ竴娆℃�ф湪绛?/p>
D
锛庡澶х豢鍖栭潰绉?/p>
2
锛庝笅鍒楃墿璐ㄧ殑鍚嶇О銆佷織鍚嶃�佸寲瀛﹀紡銆佸垎绫诲潎姝ｇ‘鐨勪竴缁勬槸锛?/p>
锛?/p>
A
锛庢睘
姘撮摱
Ag
鍗曡川
B
锛庣⒊閰告阿閽?/p>
灏忚嫃鎵?/p>
NaHCO
3
鐩?/p>
C
锛庢哀鍖栭挋
鐔熺煶鐏?/p>
CaO
姘у寲鐗?/p>
D
锛庢阿姘у寲閽?/p>
绾⒈
NaOH
纰?/p>
3
锛庝笅鍒楃墿璐ㄧ殑鐢ㄩ�斾綋鐜扮墿璐ㄥ寲瀛︽�ц川鐨勬槸锛?/p>
锛?/p>
A
锛庨噾鍒氱煶鐨勭‖搴﹀ぇ
--
鍒诲垝鐜荤拑
B
锛庢阿姘斿瘑搴﹀皬
--
濉厖鎺㈢┖姘旂悆
C
锛?/p>
CO
鍏锋湁杩樺師鎬?/p>
--
鍐剁偧閲戝睘
D
锛庡共鍐版湁鍒跺喎浣滅敤
--
浜哄伐闄嶉洦
4
锛庝笅鍒楀寲瀛︾敤璇功鍐欐纭殑鏄紙
锛?/p>
A
锛庢唉姘旓細
He
2
B
锛庝袱涓噾鍘熷瓙锛?/p>
2AU
C
锛庨摑绂诲瓙锛?/p>
Cl
-
D
锛庣～閰搁搧锛?/p>
Fe
2
锛?/p>
SO
4
锛?/p>
3
5
锛庝笅鍒楀疄楠屽熀鏈搷浣滄纭殑鏄紙
锛?/p>
A
锛庢祴瀹氭憾娑?/p>
pH
B
锛庨搧涓濆湪姘ф皵涓噧鐑?/p>
C
锛庣█閲婃祿纭吀
D
锛庡線璇曠閲岄�佸叆鍥轰綋绮夋湯
6
锛庨挔鏄汉浣撳繀椤荤殑甯搁噺鍏冪礌锛屽叾鍘熷瓙缁撴瀯绀烘剰鍥惧拰瀹冨湪鍛ㄦ湡琛ㄤ腑鐨勭浉鍏充俊鎭鍥炬墍绀恒�備笅鍒楄娉曟
纭殑鏄紙
锛?/p>
A
锛庨挔鍘熷瓙鐨勭浉瀵瑰師瀛愯川閲忎负
22.99g
B
锛庨挔鍘熷瓙鍦ㄥ寲瀛﹀弽搴斾腑鏄撳け鍘荤數瀛?/p>
C
锛?/p>
Na
+
鐨勬牳鍐呰川瀛愭暟涓?/p>
10
D
锛庝汉浣撶己閽犳槗瀵艰嚧楠ㄨ川鐤忔澗
7
锛庝笅鍒楀疄楠岀幇璞℃弿杩伴敊璇?/p>
锛庯紟
鐨勬槸锛?/p>
锛?/p>
A
锛庨晛鍦ㄧ┖姘斾腑鐕冪儳浜х敓澶ч噺鐨勭櫧鐑?/p>
B
锛庨挔鍦ㄦ隘姘斾腑鐕冪儳浜х敓澶ч噺鐨勭櫧鐑?/p>
