Acid: tastes sour, pH below 7, conducts electricity in solution, blue litmus turns red, fruits, corrosive, phenol remains clear, Base: tastes bitter, pH above 7, many cleaners, red litmus turns blue, feels slippery, also called alkaline, phenol turns pink, Neutral: pH is 7, litmus paper doesn't change, pure water, salts, products in a neutralization reaction,

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