K12
瀛︿範鏁欒偛璧勬簮
K12
瀛︿範鏁欒偛璧勬簮
骞夸笢鐪佸箍宸炲競
2016-2017
瀛﹀勾楂樹竴鍖栧涓婂鏈熸湡鏈熸湯鑰冭瘯璇曢锛堝惈瑙?
鏋愶級
鏈瘯棰樺彲鑳界敤鍒扮殑鐩稿鍘熷瓙璐ㄩ噺鏄細
H-1
锛?/p>
C-12
锛?/p>
N-14
锛?/p>
O-16
锛?/p>
Na-23,
S-32, Fe-56, Zn-65
绗竴閮ㄥ垎
閫夋嫨棰?/p>
涓�锛?/p>
鍗曢�夐
(15
灏忛锛屾瘡灏忛鍙湁涓�涓?/p>
锛庯紟锛庯紟
閫夐」绗﹀悎棰樻剰锛屽悇
3
鍒嗭紝鍏?/p>
45
鍒?/p>
)
1
锛庡寲瀛︿笌鐢熶骇銆佺敓娲诲瘑鍒囩浉鍏炽�備笅鍒楃墿璐ㄧ敤閫斾笉姝ｇ‘
锛庯紟锛?
鐨勬槸
A. Na
2
O
2
鏄己姘у寲鍓傦紝鏈夋紓鐧芥�э紝鍙敤浣滈鍝佺殑婕傜櫧鍓?/p>
B. Al
2
O
3
鐔旂偣寰堥珮锛屽彲鐢ㄤ綔鑰愮伀鏉愭枡锛屽埗浣滆�愮伀绠″拰鑰愮伀鍧╁煔
C
锛?/p>
NaHCO
3
鑳戒笌閰稿弽搴旓紝鍙埗鎴愯儍鑽不鐤楄儍閰歌繃澶?/p>
D
锛?/p>
Fe
2
O
3
鏄孩妫曡壊鍥轰綋锛屽彲鐢ㄤ綔绾㈣壊娌规紗鍜屾秱鏂?/p>
銆愮瓟妗堛�?/p>
A
2
锛庝笅鍒楄娉曟纭殑鏄?/p>
A
锛?/p>
Na
涓庢哀姘斿弽搴斿洜姘ф皵鐢ㄩ噺涓嶅悓锛屼骇鐗╀笉鍚?/p>
B
锛?/p>
Na
2
O
鍜?/p>
Na
2
O
2
涓槼闃寸瀛愮墿璐ㄧ殑閲忎箣姣斿潎涓?/p>
2:1
C
锛?/p>
Na
2
CO
3
鍜?/p>
NaHCO
3
鐨勬按婧舵恫閮藉憟纰辨�э紝瀹冧滑閮藉睘浜庣⒈
D
锛?/p>
Na
2
O
鍜?/p>
Na
2
O
2
閮借兘涓庢按鍙嶅簲鐢熸垚瀵瑰簲鐨勭⒈锛屽畠浠兘灞炰簬纰辨�ф哀鍖栫墿
銆愮瓟妗堛�?/p>
B
銆愯В鏋愩�?/p>
A
锛?/p>
Na
涓庢哀姘斿弽搴斿洜姘ф皵鍙嶅簲鏉′欢涓嶅悓锛屼骇鐗╀笉鍚岋紝甯告俯涓嬬敓鎴愭哀鍖栭挔锛屽姞鐑敓鎴愯繃
姘у寲閽狅紝
A
閿欒锛?/p>
B
锛?/p>
Na
2
O
鍜?/p>
Na
2
O
2
涓槼銆侀槾绂诲瓙鐗╄川鐨勯噺涔嬫瘮鍧囦负
2:1
锛?/p>
B
姝ｇ‘锛?/p>
C
锛?/p>
Na
2
CO
3
鍜?/p>
NaHCO
3
鐨勬按婧舵恫閮藉憟纰辨�э紝浣嗗畠浠兘灞炰簬鐩愶紝
C
閿欒锛?/p>
D
锛?/p>
Na
2
O
鍜?/p>
Na
2
O
2
閮借兘涓庢按鍙嶅簲鐢?/p>
鎴愬搴旂殑纰憋紝浣嗚繃姘у寲閽犲拰姘寸殑鍙嶅簲涓繕鏈夋哀姘旂敓鎴愶紝姘у寲閽犲睘浜庣⒈鎬ф哀鍖栫墿锛岃繃姘у寲
閽犱笉鏄紝
D
閿欒锛岀瓟妗堥�?/p>
B
銆?/p>
3
锛庝笅鍒楀疄楠屾搷浣滄垨浜嬫晠澶勭悊涓紝鍋氭硶姝ｇ‘鐨勬槸
A
锛庣敤绋�纭吀娓呮礂鍋氱劙鑹插弽搴旂殑閾備笣