Chemistry, 03.08.2019 05:20 hebagaroudi54111

You have read a new brand of hair tonic is supposed to contain lead (an ingredient in grecian formula). devise a simple test to confirm the presence or absence of lead in that hair tonic. use your observation from the experiments you have performed.

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You have read a new brand of hair tonic is supposed to contain lead (an ingredient in grecian formul...