试题与答案

下列酸碱指示剂中在碱性区域变色的有() A.溴甲酚绿 B.甲基橙 C.甲基红 D.酚

题型:多项选择题 X型题

题目:

下列酸碱指示剂中在碱性区域变色的有()

A.溴甲酚绿

B.甲基橙

C.甲基红

D.酚酞

E.百里酚酞

答案:

参考答案:D, E

试题推荐
题型:

阅读下列材料:

材料一 材料二

请回答:(1)材料一中的“变法”指的是什么?谭嗣同的话反映了他什么样的思想品格?                                                                                                                                                               (2)材料二中人物A是______________,人物B是_____________。他们为“变法”做了哪些主要的准备工    作?                                                                                                                                                                                                                                                                                                                               (3)结合所学知识概括,上述“变法”的性质与当今中国的改革的性质有什么不同。                                                                                                                                                                                                                                                                                                                             

查看答案
微信公众账号搜索答案