选择题 现有:淀粉溶液、蛋清、葡萄糖溶液,区别它们时,下列试剂和对应现象依次是(?)600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/czhipn315rc.jpg\" style=\"vertical-align:middle;\">试 ">
时间:2017-01-26 11:35:09
选择题 现有:淀粉溶液、蛋清、葡萄糖溶液,区别它们时,下列试剂和对应现象依次是(?)600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/czhipn315rc.jpg\" style=\"vertical-align:middle;\">试剂:①新制Cu(OH)2?????
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/xgpwrioroun.gif\" style=\"vertical-align:middle;\">?②碘水???????????????③浓硝酸
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/czhipn315rc.jpg\" style=\"vertical-align:middle;\">现象:a. 变蓝色?????????? b. 砖红色沉淀???????? c. 变黄色
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/czhipn315rc.jpg\" style=\"vertical-align:middle;\">
A.②-a、①-c、③-b
B.③-a、②-c、①-b600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/czhipn315rc.jpg\" style=\"vertical-align:middle;\">
C.②-a、③-c、①-b
D.②-c、③-a、①-b
选择题 现有:淀粉溶液、蛋清、葡萄糖溶液,区别它们时,下列试剂和对应现象依次是(?)600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/czhipn315rc.jpg\" style=\"vertical-align:middle;\">试剂:①新制Cu(OH)2?????
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/xgpwrioroun.gif\" style=\"vertical-align:middle;\">?②碘水???????????????③浓硝酸
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/czhipn315rc.jpg\" style=\"vertical-align:middle;\">现象:a. 变蓝色?????????? b. 砖红色沉淀???????? c. 变黄色
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/czhipn315rc.jpg\" style=\"vertical-align:middle;\">
A.②-a、①-c、③-b
B.③-a、②-c、①-b600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/czhipn315rc.jpg\" style=\"vertical-align:middle;\">
C.②-a、③-c、①-b
D.②-c、③-a、①-b
本题答案:C
本题解析:略
本题所属考点:【气体的净化、干燥、吸收与收集】
本题难易程度:【简单】