2020
骞翠節骞寸骇鍖栧涓�冧竴杞涔狅細鍖栧鏂圭▼寮?/p>
鍚屾娴嬭瘯鍗?/p>
棰樺彿
涓�
浜?/p>
涓?/p>
鍥?/p>
浜?/p>
鎬诲垎
寰楀垎
涓�銆佸崟閫夐锛堟湰澶ч鍏?/p>
20
灏忛锛屽叡
40
鍒嗭級
1.
涓嬪垪鐗╄川灞炰簬姘у寲鐗╃殑鏄?/p>
(
)
A.
KMnO
4
B. KOH
C.
O
3
D. CO
2.
楂橀搧閰搁挔鏄竴绉嶈兘姘у寲銆佹潃鑿屻�佽劚鑹层�侀櫎鑷殑鏂板瀷楂樻晥姘村鐞嗗墏锛庡叾鍖栧寮忎负
Na
2
FeO
4
锛屽叾涓?/p>
Fe
鍏冪礌鐨勫寲鍚堜环鏄?/p>
(
)
A.
+6
B.
+4
C.
+3
D.
+2
3.
涓嬪垪鏈夊叧瀹為獙鐜拌薄鐨勬弿杩颁笉姝ｇ‘鐨勬槸
(
)
A.
纭矇鍦ㄧ┖姘斾腑鐕冪儳浜х敓钃濈传鑹茬伀鐒?/p>
B.
姘㈡皵鍦ㄧ┖姘斾腑鐕冪儳浜х敓娣¤摑鑹茬伀鐒?/p>
C.
闀佸甫鍦ㄧ┖姘斾腑鐕冪儳鍙戝嚭鑰�鐪肩殑鐧藉厜
D.
绾㈢７鍦ㄧ┖姘斾腑鐕冪儳浜х敓澶ч噺鐧界儫
4.
涓嬪垪鍖栧鐢ㄨ姝ｇ‘鐨勬槸
(
)
A.
SO
4
鈭?
锛氱～閰告牴绂诲瓙
B.
閽犲師瀛愮粨鏋勭ず鎰忓浘锛?
C. FeO
锛氭哀鍖栦簹閾?/p>
D. 2H
锛?/p>
2
涓阿鍒嗗瓙
5.
鎴戝競鐩涗骇鑼跺彾锛屸�滄案鍢変箤鐗涙棭鈥濄�佲�滄嘲椤洪珮灞辫尪鈥濈瓑缁胯尪浜獕娴峰唴澶栵紟缁胯尪涓惈鏈?
鍗曞畞閰?/p>
(C
76
H
52
O
46
)
锛岀粍鎴愬崟瀹侀吀鐨勫厓绱犵绫绘湁
(
)
A. 2
绉?/p>
B. 3
绉?/p>
C. 4
绉?/p>
D. 5
绉?/p>
6.
鍦ㄥ寲瀛﹀弽搴斿墠鍚庤偗瀹氭病鏈夊彂鐢熷彉鍖栫殑鏄?/p>
(
)
A.
鍘熷瓙鐨勫ぇ灏忓拰鏁扮洰
B.
鍒嗗瓙鐨勫ぇ灏忓拰鏁扮洰
C.
鐗╄川鐨勭绫诲拰璐ㄩ噺
D.
鍒嗗瓙鐨勭绫诲拰璐ㄩ噺
7.
涓嬪垪鍙樺寲涓嶈兘鐢ㄨ川閲忓畧鎭掑畾寰嬭В閲婄殑鏄?/p>
(
)
A.
娼箍鐨勮。鏈嶅湪闃冲厜涓嬫檼骞?/p>
B.
閾佷笣鐕冪儳鍚庯紝鍥轰綋璐ㄩ噺澧炲姞浜?/p>
C.
铚＄儧鐕冪儳鍚庯紝瓒婃潵瓒婄煭锛屾渶缁堟秷澶?/p>
D.
閿屼笌鐩愰吀鍙嶅簲鍚庡浐浣撹川閲忓噺灏忎簡
8.
瀵逛簬鍖栧鍙嶅簲
xC
2
H
6
+
yO
2
鈭?/p>
鐐圭噧
zCO
2
+
wH
2
O
锛?
鍒欎笅鍒楀寲瀛﹁閲忔暟鍏崇郴姝ｇ‘鐨勬槸
(
)
A.
x
=
2z
B.
3z
=
2w
C.
x
=
3w
D.
y
=
z
+
w
9.
鐩稿悓璐ㄩ噺鐨?/p>
H
2
锕?/p>
CH
4
鍜?/p>
CO
瀹屽叏鐕冪儳闇�瑕佹哀姘旂殑璐ㄩ噺
(
)
A. CO
鏈�澶氾紝
H
2
鏈�灏?/p>
B.
H
2
鏈�澶氾紝
CO
鏈�灏?/p>
C.
H
2
鏈�澶氾紝
CH
4
鏈�灏?/p>
D.
CH
4
鏈�澶氾紝
CO
鏈�灏?/p>
10.
宸茬煡锛?/p>
2CO
2
+
2Na
2
O
2
=
2Na
2
CO
3
+
O
2
鍦ㄥ瘑闂鍣ㄤ腑锛屽皢
6.6g
CO
2
涓庝竴瀹氶噺
鐨?/p>
Na
2
O
2
鍥轰綋鍏呭垎鍙嶅簲鍚庯紝姘斾綋鍙樹负
3.8g.
涓嬪垪璇存硶姝ｇ‘鐨勬槸
(
)
A.
3.8g
姘斾綋鍏ㄩ儴鏄?/p>
O
2
B.
鍓╀綑
CO
2
鐨勮川閲忔槸
2.2g
C.
鍙嶅簲鍚庣殑鍥轰綋鏄贩鍚堢墿
D.
鐢熸垚
Na
2
CO
3
鐨勮川閲忔槸
15.9g
11.
鎺ㄧ悊鏄涔犲寲瀛︾殑涓�绉嶉噸瑕佹柟娉曪紝
浣嗙洸鐩被鎺ㄦ湁鍙兘寰楀嚭閿欒缁撹锛?/p>
浠ヤ笅鎺ㄧ悊姝ｇ‘
鐨勬槸
(
)
A.
鍦ㄥ悓涓�鍖栧悎鐗╀腑锛岄噾灞炲厓绱犳樉姝ｄ环锛屾墍浠ラ潪閲戝睘鍏冪礌涓�瀹氭樉璐熶环
B.
鍘熷瓙鏍哥敱璐ㄥ瓙鍜屼腑瀛愭瀯鎴愶紝鍒欐墍鏈夌殑鍘熷瓙鏍镐腑閮藉惈鏈変腑瀛?/p>
C.
鍘熷瓙鏍哥敱璐ㄥ瓙鍜屼腑瀛愭瀯鎴愶紝鍒欐墍鏈夌殑鍘熷瓙鏍镐腑閮藉惈鏈変腑瀛?/p>