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Select ALL the statements that are TRUE about a flame test. Note: You must select ALL the true statements to earn credit. Partial credit will not be given for partial answers. Be careful! Group of answer choices All metal cations will emit colors that are observable. The anion in an inorganic salt contributes to the color during the flame test. Different colors will have different wavelengths. The cation in an inorganic salt contributes to the color observed during the flame test. Some metal cations will emit colors that are observable.

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The flame test can only be used to identify a few metal ions, this limits its usefulness as an analytical technique.

The flame test is carried out by exposing the sample to be analyzed to Bunsen flame and watching out for the color imparted to the Bunsen flame. Different metals impart different colors to flame. Note that the metal ion is the reason for the color imparted to flame during flame test.

The following are true regarding flame test;

  • Different colors will have different wavelengths.
  • Some metal cations will emit colors that are observable.

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