Acid: A pH below 7, Releases Hydrogen (H+) Ions when dissolved in water, May taste sour, Reacts with metal to produce hydrogen gas, Blue litmus paper turns red, Universal indicator turns orange/red, Lemon Juice, Coffee, Vinegar, Base: A pH above 7, Produces Hydroxide (OH-) Ions when dissolved in water, May taste bitter, Does not (normally) react with metals, Red litmus paper turns blue, Universal indicator turns blue/purple, Bleach, Baking Soda, Toothpaste,

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