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Acids & Bases

Acids & Bases. Remember, if a formula starts with Hydrogen , that means it is an acid . And, if it ends with Hydroxide (-OH), that means it is a base. So, what is an acid? What is a base?. An acid is anything that has the following properties:. t astes sour. pH less than 7.

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Acids & Bases

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  1. Acids & Bases Remember, if a formula starts with Hydrogen, that means it is an acid. And, if it ends with Hydroxide (-OH), that means it is a base.

  2. So, what is an acid? What is a base? • An acid is anything that has the following properties: • tastes sour • pH less than 7 • reacts with metals • conducts electricity • neutralizes with a base • changes color of indicators

  3. So, what is an acid? What is a base? • A base is anything that has the following properties: • tastes bitter • pH greater than 7 • feels slippery • conducts electricity • neutralizes with an acid • changes color of indicators

  4. Let’s talk about the pH scale… The pH scale is a range of how acidic a compound is. pH1 = most acidic pH7 = neutral pH14 = least acidic (or, the most basic!) pH1 pH7 pH14

  5. What do you think the pH is of… Orange juice pH= 3.3 acid Table salt pH= 7 neutral Coffee pH= 5 acid Ammonia pH= 11 base Saliva pH= 6.3 acid

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