We have that for the Question "Which procedure confirms the presence of F ions, CI ions, Br ions, I ions?" it can be said that the procedure confirms the presence of F ions, CI ions, Br ions, I ions is
F- = no precipitate.
Cl- = white precipitate.
Br- = pale cream precipitate.
I- = pale yellow precipitate.
From the question we are told
Which procedure confirms the presence of F ions, CI ions, Br ions, I ions?
Generally
there are variant chemical reactions that helps us identify elements and these the chemical reaction we see and know the given ions
F- = no precipitate.
Cl- = white precipitate.
Br- = pale cream precipitate.
I- = pale yellow precipitate.
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