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1.Which color does phenolphthalein changes when reacted with acid and base 2. Why do fire brigade men often use shiny brass caps ( sir / Ma'am, for this question plz give definition which i ican write in exam. Because tomorrow is my exam.

Answer» 1.Which color does phenolphthalein changes when reacted with acid and base
2. Why do fire brigade men often use shiny brass caps ( sir / Ma'am, for this question plz give definition which i ican write in exam. Because tomorrow is my exam.


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