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Chapter 9 Acids, Bases, and Salts Lesson 3 Notes.

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Presentation on theme: "Chapter 9 Acids, Bases, and Salts Lesson 3 Notes."— Presentation transcript:

1 Chapter 9 Acids, Bases, and Salts Lesson 3 Notes

2 Vocabulary Acid – substance that tastes sour and turns blue litmus paper red. Base – substance that feels slippery, tastes bitter, and turns red litmus paper blue. Indicator – substance that shows whether an acid or base is present. pH – system for measuring the strength of acids and bases. Salt – what forms when a strong acid and a strong base react with each other. Typically made from and metal and nonmetal.

3 Acids and Bases  Acids, bases, and salts are special types of compounds.  Acids and bases have their own unique properties. AcidsBases Acids Bases - Taste sour - Tastes bitter - Turn blue paper red - Turns red paper blue - Releases H - Accepts H - Reacts easily with bases with acids  We measure the strength and weakness of an acid or base by using a pH scale.

4 Salts  When an acid and a base react they form a salt.  Salts are typically formed from a metal and nonmetal.  Although we think of salt as NaCl (table salt) there are many different forms of salt.  You can find salts in many places, including ocean water, on your kitchen table, and on roads.

5 Let’s watch…

6 Time to think…  How could you make a salt from other compounds?  Your friend tells you that your soda is an acid. You don’t believe him. Design an experiment that will prove to your friend that you are right. Include a control and a variable.

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