化学药品颜色

一些高中常见化学药品颜色
2025-02-21 09:58:18
推荐回答(2个)
回答1:

(一)、固体的颜色
1、红色固体:铜,氧化铁
2、绿色固体:碱式碳酸铜
3、蓝色固体:氢氧化铜,硫酸铜晶体
4、紫黑色固体:高锰酸钾
5、淡黄色固体:硫磺
6、无色固体:冰,干冰,金刚石
7、银白色固体:银,铁,镁,铝,汞等金属
8、黑色固体:铁粉,木炭,氧化铜,二氧化锰,四氧化三铁,(碳黑,活性炭)
9、红褐色固体:氢氧化铁
10、白色固体:氯化钠,碳酸钠,氢氧化钠,氢氧化钙,碳酸钙,氧化钙,硫酸铜,五氧化二磷,氧化镁
(二)、液体的颜色
11、无色液体:水,双氧水
12、蓝色溶液:硫酸铜溶液,氯化铜溶液,硝酸铜溶液
13、浅绿色溶液:硫酸亚铁溶液,氯化亚铁溶液,硝酸亚铁溶液
14、黄色溶液:硫酸铁溶液,氯化铁溶液,硝酸铁溶液
15、紫红色溶液:高锰酸钾溶液
16、紫色溶液:石蕊溶液
(三)、气体的颜色
17、红棕色气体:二氧化氮
18、黄绿色气体:氯气
19、无色气体:氧气,氮气,氢气,二氧化碳,一氧化碳,二氧化硫,氯化氢气体等大多数气体。

回答2:

1.cu(金属铜)
紫红色
11.
i2(水溶液)
褐色
21.cucl2(固体)
棕色
2.s(硫
磺)
黄色
12.hgo(固体)
红色
22.cucl2(水溶液)

蓝绿色
3.p4(白磷)
白色
13.fe2o3(铁锈)

褐色
23.
feso4(固体)
黑色
4.p(红磷)
红褐色
14.na2o2(固体)

淡黄色
24.
feso4(水溶液)
浅绿色
5.f2(氟
气)

淡黄绿色
15.cu(oh)2(固体)

蓝色
25.kmno4(固体)
紫色
6.cl2(氯气)

黄绿色
16.fe(oh)3(固体)
红褐色
26.kmno4(水溶液)
紫红色
7.cl2(氯水)

淡黄绿色
17.fecl3(固体)
黄棕色
27.agcl(固体)

白色
8.br2(液
溴)

深红棕色
18.
fecl3(水溶液)

黄橙色
28agbr(固体)

淡黄色
9.
br2(溴水)

橙色
19.cu
so4(固体)

白色
29.agi(固体)

黄色
10.i2(固体碘)

黑色
20.
cuso4(水溶液)
蓝色
试剂显色
1.石蕊试液遇酸:显红色
2.石蕊试液遇碱:显蓝色
3.酚酞试液遇酸:不显色
4.酚酞试液遇碱:显红色
5.碘水遇淀粉溶液:显蓝色
6.湿润红色石蕊试纸遇碱:显蓝色
7.湿润蓝色石蕊试纸遇酸:显红色
8.ph试纸遇碱:显蓝色
9.ph试纸遇酸:显红色
10.湿润淀粉碘化钾试纸:遇i2、cl2
、fecl3等显蓝色
11.醋酸铅试纸遇h2s气体:显黑色
12.钠的焰色反应:黄色
13.钾的焰色反应:紫色(透过蓝色钴玻璃)
一、
单质
绝大多数单质:银白色。
主要例外:镧系
锕系及下表物质
cu
紫红
o2

au

s

b
黄或黑
f2
淡黄绿
c(石
墨)

cl2
黄绿
c(金
刚石)

br2
红棕
si
灰黑
i2


h2

稀有气体

p
白、黄、红

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