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purple colour of ferrous thioglycolate is formed only when alkaline medium is maintained, it can be done by using dil.ammonia in presence of citric acid.
Wiki User
∙ 13y ago
Deepesh Rai
ammonia is used to make the solution alkaline
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Why is citric acid used in limit test for iron?
citric acid is used as a buffer in iron limit test.
Why ammonia is added in heavy metals limit test?
ammonia solution is used to make the solution alkaline. In alkaline solution ,metals give colour with hydrogen sulphide.
What is the catalyst for ammonia?
In the production of ammonia, Iron is used as a catalyst
What test can be used to confirm the presence of water in ammonia complexes?
You can buy a test kit at a fish store and then you can test it by yourself!
What are the raw materials used to make ammonia?
nitrogen and hydrogen reacted over an iron catalyst
Why is citric acid used in limit test for iron?
citric acid is used as a buffer in iron limit test.
Why ammonia is added in heavy metals limit test?
ammonia solution is used to make the solution alkaline. In alkaline solution ,metals give colour with hydrogen sulphide.
What is the catalyst for ammonia?
In the production of ammonia, Iron is used as a catalyst
What is the catalyst used to make sulfuric acid nitric acid ammonia ethene and magarine?
Ammonia = iron catalyst
What test can be used to confirm the presence of water in ammonia complexes?
You can buy a test kit at a fish store and then you can test it by yourself!
What are the raw materials used to make ammonia?
nitrogen and hydrogen reacted over an iron catalyst
What catlyst is used in making ammonia?
Iron mixtured mixed with Aluminium oxide and potassium oxide.
Why buffer ammonia is used in water total hardness test?
ph 10.0-10.4
What is the catalyst used in ammonia?
Iron catalysts, typically 2-3mm in size.
What are examples of catalysts' affects on chemical reactions?
For example the iron oxide catalyst used for synthesis of ammonia.
Why is it necessary to remove CO when ammonia is obtained by Habers process?
It is important to remove CO in the synthesis of ammonia as CO adversely affects the activity of the iron catalyst, used in Haber's process.
Why it is necessary to remove co when ammonia is obtained by habers process?
It is important to remove CO in the synthesis of ammonia as CO adversely affects the activity of the iron catalyst, used in Haber's process.
