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Topic: To seperate cations  (Read 1036 times)

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Offline Fish200398

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To seperate cations
« on: February 17, 2020, 04:24:07 AM »
Choose which one is not true
To seperate al3+  and  cu2+  added NH3 in excess
To seperate Cu2+  and Zn2+  added NaOH in excess

Choose the answer
Cu2+  and  Pb2+  . The most suitable reagant to precipitate one of the ions.
1. Nictric acid
2. Sodium carbonate
3. Sulphuric acid
4. Hydrogen sulphide

To answer those kinds of questions, what subject should i read?
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Offline chenbeier

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Re: To seperate cations
« Reply #1 on: February 17, 2020, 05:20:39 AM »
Qualitative inorganic analysis " Trennungsgang"
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Offline Fish200398

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Re: To seperate cations
« Reply #2 on: February 17, 2020, 09:43:56 AM »
What language    Trennungsgang
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Offline billnotgatez

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Re: To seperate cations
« Reply #3 on: February 18, 2020, 05:42:16 PM »
From GOOGLE translate
German
Trennungsgang
separation process
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