绗?/p>
1
椤?/p>
鍏?/p>
9
椤?/p>
浜烘暀鐗?/p>
2020
鐗堜節骞寸骇涓婂鏈熸湡涓�冭瘯鍖栧璇曢
A
鍗?/p>
濮撳悕
:________
鐝骇
:________
鎴愮哗
:________
涓�銆佸崟閫夐
1 .
缇庤嫳鑱斿啗鍦ㄤ紛鎷夊厠鎴樺満涓?/p>
,
涓嶉【鍏ㄤ笘鐣屼汉姘戠殑鍙嶅
,
浣跨敤浜嗗悗鎮ｆ棤绌风殑璐搥寮?/p>
,
鍏朵腑鍚湁
238U,
瀹冪殑鐩稿鍘?/p>
瀛愯川閲忎负
238,
涓瓙鏁颁负
146,
鍒?/p>
238U
涓惈鏈夌殑鏍稿鐢靛瓙鏁颁负锛?/p>
锛?/p>
A
锛?/p>
238
B
锛?/p>
92
C
锛?/p>
146
D
锛?/p>
330
2 .
濡傚浘鏄〃绀虹墿璐ㄧ矑瀛愮殑绀烘剰鍥撅紝鍥句腑鈥滐紟鈥濆拰鈥溾�⑩�濆垎鍒〃绀?/p>
涓ょ涓嶅悓鍏冪礌鐨勫師瀛愶紝鍏朵腑琛ㄧず娣峰悎鐗╃殑
鏄紙
锛?/p>
A
锛庣敳鍜屼笝
B
锛庝箼鍜屼竵
C
锛庡彧鏈夌敳
D
锛庡彧鏈変笝
3
.
鍖楀畫鐜嬪笇瀛熷垱浣滅殑缁㈡湰鑹茬敾銆婂崈閲屾睙灞卞浘銆嬫瘮閲囩敤鍚屾牱棰滄枡鐨勩�婅挋濞滀附鑾庛�嬫棭
300
骞达紝涓嬭〃鏄�婂崈閲屾睙灞?/p>
鍥俱�嬫墍鐢ㄧ殑閮ㄥ垎鐭跨墿棰滄枡锛屽叾涓昏鎴愬垎灞炰簬姘у寲鐗╃殑鏄紙
锛?/p>
鐭跨墿
钃濋摐鐭?/p>
鏈辩爞
璧煶
鐮楃２
棰滆壊
娣辫摑鑹?/p>
澶х孩鑹?/p>
鏆楁绾㈣壊鎴栫伆榛戣壊
鐧借壊
涓昏鎴愬垎
2CuCO3路
Cu
锛?/p>
OH
锛?/p>
2
HgS
Fe2O3
CaCO3
A
锛庤摑閾滅熆
B
锛庢湵鐮?/p>
C
锛庤淡鐭?/p>
D
锛庣牀纾?/p>
4 .
涓嬪垪鍏充簬鍒嗗瓙鐨勮娉曚腑閿欒鐨勬槸锛?/p>
锛?/p>