高一化学评测(第11,12,13章)
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Yii Ning
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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
铝是一种低毒金属元素,它并非人体需要的微量元素,不会导致急性中毒,但食品中铝的含量超过国家标准就会对人体造成危害.下列关于铝元素的说法正确的是
铝在空气中不易氧化是因为性质不活泼
氢氧化铝可与胃酸反应,常用作中和胃酸的药物
明矾可用于饮用水的杀菌消毒
硫酸铝铵常用作面粉膨化剂,该物质不溶于水
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以氧化铝为原料制取氢氧化铝,最好的方法是
将氧化铝溶于水
将氧化铝溶于氢氧化钾
将氧化铝先溶于盐酸中,之后滴加氨水
将氧化铝溶于盐酸中,之后滴加氢氧化钠溶液
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
将表面已完全钝化的铝条,插入下列溶液中,不会发生反应的是
稀硝酸
稀盐酸
硝酸铜
氢氧化钠
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
实验室中,要使AlCl3溶液中的Al3+全部沉淀出来,适宜用的试剂是
NaOH溶液
Ba(OH)2溶液
盐酸
氨水
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
氢氧化铝可作为治疗胃酸过多的内服药,这是利用了氢氧化铝的
酸性
碱性
两性
氧化性
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
下列关于氮气性质的描述不正确的是
无毒
无色
无味
黄绿色
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列反应属于氮的固定的是
空气在雷电作用下所产生NO
NO和O2生成NO2
铜与浓硝酸反应产生NO2
NH4Cl与Ca(OH)2反应生成NH3
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