Acids, Bases, and Salts

What is the pH range for acids?

• Between 5 and 10

• Below 7

• Exactly 7

• Above 7

Give an example of a strong acid.

• Hydrochloric acid (HCl)

• Vinegar (acetic acid)

• Baking soda (sodium bicarbonate)

• Lemon juice (citric acid)

What is the pH range for bases?

• 7-14

• 1-6

• 0-7

• 8-14

Give an example of a strong base.

• Hydrochloric acid (HCl)

• Sodium hydroxide (NaOH)

• Ammonium chloride (NH4Cl)

• Sulfuric acid (H2SO4)

What is the pH of a neutral substance?

• 10

• 7

• 5

• 3

What are the common properties of acids?

• Sour taste, ability to turn blue litmus paper red, and the ability to react with metals to produce hydrogen gas

• Salty taste, ability to turn blue litmus paper red, and the ability to react with metals to produce carbon dioxide gas

• Bitter taste, ability to turn red litmus paper blue, and the ability to react with metals to produce hydrogen gas

• Sweet taste, ability to turn red litmus paper blue, and the ability to react with metals to produce oxygen gas

What are the common properties of bases?

• No taste, dry feel, turn blue litmus paper yellow

• Sweet taste, slimy feel, turn red litmus paper green

• Bitter taste, slippery feel, turn red litmus paper blue

• Sour taste, rough feel, turn blue litmus paper red

What is the chemical formula for hydrochloric acid?

• NaCl

• HCl

• CO2

• H2O

What is the chemical formula for sulfuric acid?

• SO3

• H2SO4

• H2O2

• NaCl

What is the chemical formula for sodium hydroxide?

• H2O

• NaOH

• CH4

• CO2