鐡︽埧搴楀競楂樼骇涓
2019-2020
瀛﹀勾搴︿笂瀛︽湡楂樹笁
10
鏈堣�冭瘯鍖栧璇曢
鍙兘鐢ㄥ埌鐨勭浉瀵瑰師瀛愯川閲忥細
H-1 Be-9 O-16 Na-23 S-32 Cl-35.5 Cu-64 Ag-108 Sn-119
I-127
涓�銆侀�夋嫨棰?/p>
锛堟湰棰樺寘鎷?/p>
20
灏忛锛?/p>
1
鈥?/p>
14
姣忛
2
鍒嗭紝
15
鈥?/p>
20
姣忛
3
鍒嗭紝
鍏?/p>
46
鍒嗭紝
姣忓皬棰樺彧鏈変竴涓纭瓟妗堬級
1.
鏀归潻寮�鏀?/p>
40
骞达紝鎴戝浗鍙栧緱浜嗗緢澶氫笘鐣岀灘鐩殑绉戞妧鎴愭灉锛屼笅鍒楄娉曚笉姝ｇ‘鐨勬槸
铔熼緳鍙锋綔姘村櫒
娓彔婢冲ぇ妗?/p>
鍥戒骇
C919
涓浗澶╃溂
A
锛?/p>
鐢ㄥ埌閽涘悎閲戯紝
22
鍙烽挍鍏冪礌灞炰簬杩囨浮
鍏冪礌
B
锛?/p>
鐢ㄥ埌鐨勫悎閲戞潗鏂欙紝
鍏锋湁寮哄害澶с�佸瘑搴?/p>
灏忋�佽�愯厫铓�绛夋�ц兘
C
锛庣敤鍒扮殑姘寲纭呴櫠
鐡锋槸鏂板瀷鏃犳満闈為噾
灞炴潗鏂?/p>
D
锛庝紶杈撲俊鎭敤鐨勫厜
绾ゆ潗鏂欐槸纭?/p>
2.Na
2
O
銆?/p>
NaOH
銆?/p>
Na
2
CO
3
銆?/p>
Na
2
O
2
銆?/p>
Na
2
SO
4
鍙寜鏌愮鏍囧噯鍒掍负鍚屼竴绫荤墿璐紝涓嬪垪鍒嗙被鏍囧噯
姝ｇ‘鐨勬槸
(
)
鈶犲寲鍚堢墿
鈶¤兘涓庣閰稿弽搴?/p>
鈶㈤挔鐩?/p>
鈶ｇ數瑙ｈ川
鈶ょ瀛愬寲鍚堢墿
鈶ユ哀鍖栫墿
A
锛庘憽鈶も懃 B锛庘憼鈶ｂ懁 C锛庘憼鈶⑩懀
D
锛庘憼鈶♀懃
3.
鎸夌
26
灞婂浗闄呰閲忓ぇ浼氶噸鏂板畾涔夛紝闃夸紡鍔犲痉缃楀父鏁帮紙
N
A
锛夋湁浜嗗噯纭�?/p>
6.
02214076脳10
23
銆備笅鍒楄娉曟纭?/p>
鐨勬槸
A
锛?/p>
12g NaHSO
4
鍦ㄧ啍铻嶇姸鎬佷笅鍙互鐢电鍑虹殑闃崇瀛愭暟鐩?/p>
0.1N
A
B
锛庣敤
23.5
g
AgI
涓庢按鍒舵垚鐨勮兌浣撲腑鑳朵綋绮掑瓙鏁扮洰涓?/p>
0.1N
A
C
锛庢爣鍑嗙姸鍐典笅锛?/p>
2.24
L
Cl
2
鍏ㄩ儴婧朵簬姘存墍寰楁憾娑蹭腑鐨?/p>
Cl
锛?
涓?/p>
ClO
锛?
鏁扮洰涔嬪拰涓?/p>
0.2N
A
D
锛?/p>
1.0L 18.4mol/L H
2
SO
4
婧舵恫涓庤冻閲忛摐鍦ㄥ姞鐑殑鏉′欢涓嬪弽搴旓紝琚繕鍘熺殑
H
2
SO
4
鍒嗗瓙鏁扮洰涓?/p>
9.2N
A
4.
涓嬪垪鍚勭粍绂诲瓙鍦ㄧ粰瀹氭潯浠朵笅涓�瀹氳兘澶ч噺鍏卞瓨鐨勬槸
A
锛庡己閰告�ф憾娑蹭腑锛?/p>
H
+
銆?/p>
NO
3
鈥?
銆?/p>
Cl
鈥?/p>
銆?/p>
NH
4
+
B
锛?/p>
pH=12
鐨勬憾娑蹭腑锛?/p>
Ca
2+
銆?/p>
K
+
銆?/p>
Cl
鈥?/p>
銆?/p>
HCO
3
鈥?/p>
C
锛?/p>
25
潞
C
鏃?/p>
pH=7
鐨勬憾娑蹭腑锛?/p>
Na
+
銆?/p>
Cl
鈥?/p>
銆?/p>
SCN
鈥?/p>
銆?/p>
Fe
3+
D
锛庡姞鍏ラ摑绮夎兘鏀惧嚭姘㈡皵鐨勬憾娑蹭腑锛?/p>
NH
4
+
銆?/p>
NO
3
鈥?
銆?/p>
AlO
2
鈥?
銆?/p>
SO
4
2
鈥?
5.
涓嬪垪鏈夊叧鐗╄川鐨勬�ц川涓庡簲鐢ㄧ浉瀵瑰簲鐨勬槸
A
锛?/p>
Na
2
O
2
鍏锋湁寮烘哀鍖栨�э紝鍙敤浣滄綔姘磋墖鐨勪緵鍏诲墏
B
锛?/p>
SO
2
鍏锋湁婕傜櫧鎬э紝鑳戒娇绱壊
KMnO
4
婧舵恫瑜壊
C
锛?/p>
K
2
FeO
4
鍏锋湁杩樺師鎬э紝鍙敤浜庤嚜鏉ユ按鐨勬潃鑿屾秷姣?/p>
D
锛庢祿纭濋吀鍦ㄥ父娓╀笅鑳戒娇閾濋挐鍖栵紝鍙敤閾濇Ы杞﹁繍杈撴祿纭濋吀