鉴别以下几种物质NaCl.K2SO4.NaCO3.KCl.NaHCO3 分步骤一一鉴别出来 `````````````````````````利用（①）反映 ```````````````````````````````↓ ``````````````现象（②） ``````````````现象（③） `````````````1______溶液``

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鉴别以下几种物质NaCl.K2SO4.NaCO3.KCl.NaHCO3分步骤一一鉴别出来`````````````````````````利用（①）反映````````````````````````

鉴别以下几种物质NaCl.K2SO4.NaCO3.KCl.NaHCO3 分步骤一一鉴别出来 `````````````````````````利用（①）反映 ```````````````````````````````↓ ``````````````现象（②） ``````````````现象（③） `````````````1______溶液``
鉴别以下几种物质
NaCl.K2SO4.NaCO3.KCl.NaHCO3 分步骤一一鉴别出来
`````````````````````````利用（①）反映
```````````````````````````````↓
``````````````现象（②） ``````````````现象（③）
`````````````1______溶液`````````````` 2______溶液
````````````````↓ ````````````````````````↓
```````````加(④)溶液 `````````````````加（⑤）溶液
````````↓ ``````````↓ ``````````↓ ``````````````````↓
````有沉淀 ````````无现象````` 有沉淀 ```````````````无现象
````原溶液 ````````原溶液````` 原溶液``````````````` 原溶液
````为(⑥)``````` `为KCl ``````为（⑦） ``````````````↓
````````````````````````````````````````````````````加（⑧）
```````````````````````````````````````````````↓ ```````````↓
````````````````````````````````````````````有气体```````` 无现象
````````````````````````````````````````````原溶液```````` 原溶液
````````````````````````````````````````````为（⑨）`````` 为NaCl
填出 1.2是什么溶液和①至⑨的空
最好能告诉我反映方程和原理

鉴别以下几种物质NaCl.K2SO4.NaCO3.KCl.NaHCO3 分步骤一一鉴别出来 `````````````````````````利用（①）反映 ```````````````````````````````↓ ``````````````现象（②） ``````````````现象（③） `````````````1______溶液``
① 焰色反应
② 火焰呈浅紫色
③ 火焰呈黄色
④ BaCl2溶液
⑤ CaCl2溶液
⑥ K2SO4溶液
⑦ Na2CO3
⑧ 稀HCl
⑨ NaHCO3
1、KCl、K2SO4；2、NaCl、Na2CO3、NaHCO3.
加④溶液:BaCl2+K2SO4=BaSO4↓+2KCl
加⑤溶液:Na2CO3+CaCl2=CaCO3↓+2NaCl
加⑧:HCl+NaHCO3=NaCl+H2O+CO2↑

鉴别以下几种物质NaCl.K2SO4.NaCO3.KCl.NaHCO3 分步骤一一鉴别出来 `````````````````````````利用（①）反映 ```````````````````````````````↓ ``````````````现象（②） ``````````````现象（③） `````````````1______溶液`` 如何鉴别NaCl、K2SO4、K2CO3三种溶液如何鉴别NaCl、K2SO4、CaCl2、BaCl2 如何鉴别NaCO3、K2CO3、NaCl和K2SO4 用AgNO3鉴别NaCl和K2SO4 用FeCl3鉴别以下几种物质的现象是什么用FeCl3鉴别KSCN、NaOH、Na2S、NaHCO3、C6H5OH、NaCl六种溶液,各有什么现象?最好有方程式. 1.鉴别KNO3,K2CO3,K2SO4； 2.鉴别NACL,NA2CO3,NANO3. 如何鉴别NACL,K2SO4,NH4NO3,(NH4)2SO4 如何鉴别NACL,K2SO4,NH4NO3,(NH4)2SO4 如何鉴别NaCO3、K2CO3、NaCl和K2SO4写出方程式，鉴别Na2CO3、K2CO3、NaCl和K2SO4的有关反应方程式怎么鉴别(1)KNO3,K2CO3,K2SO4; (2)NaCl,Na2CO3,NaNO3! 用1种物质鉴别K2CO3,KNO3,K2SO4,KOH,Ba(OH)2溶液.该物质是什么, 下列物质中,不用任何其它试剂就能鉴别的是A.na2so4,h2so4,nacl,bacl2.B.hcl,naoh,k2so4,nahco3C.na2co3,khco3,nacl,hclD.naoh,cucl2,mgcl2,k2so4 可用一种试剂一次鉴别的一组物质是（）A、KNo3、AgNo3、Na2Co3 B、c、CuO、FeOC、NaCl、K2SO4、KOH D、Hcl、H2So4 、HNo3写明理由下列各物质,仅用一种试剂不能鉴别的一组是A.铜粉铁粉氧化铁粉末 B.Na2CO3 BaCl2 KNO3(均为稀溶液) C.NaCl(固体) CuSO4(固体) CaCO3(固体) D.NH4NO3 K2SO4 NaCl(均为稀溶液) 选用一种试剂鉴别下列物质【物质全为溶液】1.NaoH3 K2SO4 AgNo3 2.KOH Nacl H2so43.NAOH Ba（OH)2 K2CO3 4.H2so4 Bacl2 NaoH5.H2SO4 Na2co3 Nacl 6.Mgcl2 Kcl Fecl3不用任何试剂区别下列物质.写出鉴别的物质.（= = 真的好下列各组四种无色溶液,只用酚酞就能鉴别的是：（）A.KNO3 KCl HCl K2SO4 B.MgCl2 NaOH HCl NaCl C.Na2SO4 NaCl NaOH HCl D.NaOH KOH NaCl H2SO4 (要原因)