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Proper method:
Take a strip of zinc and put into the hottest part of a bunsen, then place in acid (I forget which), and burn again to remove impurities.
Then dip the zinc into the powdered substance and hold in the flame, noting the colour which tells you what substance it is.
Simple version:
Mix solution of distilled water and substance, then use a spray gun to spray solution through flame for colours.
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∙ 12y ago
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How do impurities affect the outcome of the flame tests?
The result can be erroneous.
When doing flame tests Li Cl and K Cl both contain Cl so what makes the flame tests different colors?
The flame tests are different because they contain different metal cations. Since the metals were the variable that you changed, you know that can be the only reason why the flames would be different colors.
The best method of heating fluid in a tube is to point the flame directly at the bottom of the tube?
false
Why are flame tests useful when making fireworks?
hi, the metal salts used in the flame tests are the same as those used to make fireworks. when the metal salt is heated the electrons get excited and jump to a higher level. As they get less excited they drop back down a level and the energy they lose is lost as light. This is what we see as the colour.
What is the major difference between the colours of flames produced by alkali metal with that of calcium when performing flame tests?
I dont know! Ancient Greek
What is the method identifying metal?
there are many tests but flame test, colour and spectroscopy..are the prilimnary tests for identifying metals.
How are flame tests used in forensic science?
Flame tests are used to help identify substances used in murders
What is flame stabilizer?
The method by which a flame is saved from extinguishing.
Flame tests in daily life?
Fireworks
What are the techniques used to analyze inorganic chemicals?
Precipitation tests Flame tests Tests on gases Other ions
What is the method of dispersal if flame of the forest?
By splitting/explosive method.
What is the flame color of Lead II Nitrate?
Lead compounds tend to be blue in flame tests
Why do scientists use flame tests?
To Determine the emission spectrum of a sample
Why can you not use flame tests to identify all the elements?
1. not all elements give colour to the flame 2. flame test is not always accurate
How do impurities affect the outcome of the flame tests?
The result can be erroneous.
When doing flame tests Li Cl and K Cl both contain Cl so what makes the flame tests different colors?
The flame tests are different because they contain different metal cations. Since the metals were the variable that you changed, you know that can be the only reason why the flames would be different colors.
What tests could be done to determine the identity of zinc?
flame test
