绗崄涓�鍗曞厓銆婄洂
鍖栬偉銆嬪崟鍏冩祴璇曞嵎
涓�銆佸崟閫夐
(
鍏?/p>
15
灏忛
)
1.2011
骞?/p>
5
鏈?/p>
8
鏃ワ紝閲嶅簡璀︽柟鏌ヨ幏浜嗚繎鍗冨彧琚閲嶇殑娲婚浮锛屾瘡鍙浮鍐呴兘鐏屾敞浜?/p>
270
g
宸﹀彸鐨勯噸鏅剁煶
绮夈�傞噸鏅剁煶绮変富瑕佹垚鍒嗘槸纭吀閽?/p>
(BaSO
4
)
锛屽瘑搴︾害涓?/p>
4.5 g路
cm
锛?/p>
3
鍒?/p>
(
)
A
锛?/p>
纭吀閽℃槸涓�绉嶆哀鍖栫墿
B
锛?/p>
纭吀閽℃槗婧朵簬姘?/p>
C
锛?/p>
姣忓彧楦＄亴娉ㄤ簡绾?/p>
60 cm
3
閲嶆櫠鐭崇矇
D
锛?/p>
纭吀閽¤浜鸿椋熷悗锛岃兘涓庤儍閰稿彂鐢熷鍒嗚В鍙嶅簲
2.
闄ゅ幓涓嬪垪鐗╄川涓殑灏戦噺鏉傝川
(
鎷彿鍐呬负鏉傝川
)
鎵�鐢ㄩ櫎鍘绘潅璐ㄧ殑鏂规硶姝ｇ‘鐨勬槸
(
)
A
锛?/p>
閫夐」
A
B
锛?/p>
閫夐」
B
C
锛?/p>
閫夐」
C
D
锛?/p>
閫夐」
D
3.
涓嬪垪鍚勭粍绂诲瓙鑳藉湪婧舵恫涓ぇ閲忓叡瀛樼殑鏄?/p>
(
)
A
锛?/p>
H
锛?/p>
K
锛?/p>
CO
B
锛?/p>
Mg
2
锛?/p>
Cl
锛?/p>
OH
锛?/p>
C
锛?/p>
Cu
2
锛?/p>
SO
H
锛?/p>
D
锛?/p>
Ba
2
锛?/p>
Na
锛?/p>
SO
4.
鑳戒竴娆￠壌鍒?/p>
AgNO
3
銆?/p>
Na
2
CO
3
銆?/p>
NaCl
涓夌鏃犺壊婧舵恫鐨勮瘯鍓傛槸
(
)
A
锛?/p>
NaOH
婧舵恫
B
锛?/p>
BaCl
2
婧舵恫
C
锛?/p>
鐩愰吀
D
锛?/p>
纭濋吀
5.
涓嬪垪鍖栬偉涓紝灞炰簬閽捐偉鐨勬槸
(
)
A
锛?/p>
灏跨礌
B
锛?/p>
纰抽吀姘㈤摰
C
锛?/p>
纭吀閽?/p>
D
锛?/p>
杩囩７閰搁挋
6.
宸茬煡鍖栧鍙嶅簲锛?/p>
4Al
锛?/p>
3MnO
2
3Mn
锛?/p>
2Al
2
O
3
锛岃鍙嶅簲灞炰簬鍩烘湰鍙嶅簲绫诲瀷涓殑
(
)
A
锛?/p>
鍖栧悎鍙嶅簲
B
锛?/p>
鍒嗚В鍙嶅簲
C
锛?/p>
缃崲鍙嶅簲
D
锛?/p>
澶嶅垎瑙ｅ弽搴?/p>
7.
姘达紝婊嬫鼎涓囩墿锛屼笌浜轰滑鐨勭敓浜х敓娲绘伅鎭浉鍏筹紝涓嬪垪鏈夊叧姘寸殑璇存硶姝ｇ‘鐨勬槸
(
)
A
锛?/p>
涓轰簡淇濇姢姘磋祫婧愶紝绂佹浣跨敤鍖栬偉鍜屽啘鑽?/p>
B
锛?/p>
鐢熸椿涓彲閫氳繃鐓哺闄嶄綆姘寸殑纭害
C
锛?/p>
鍐板潡涓庢按娣峰悎寰楀埌娣峰悎鐗?/p>
D
锛?/p>
娌虫按缁忔矇娣�銆佽繃婊ゅ鐞嗗悗寰楀埌绾按