acids and bases

Neutral solutions have a pH of _______________.

• below 7

• above 7

• exactly 7

What ions are there more of in acidic solutions?

• H+ (H3O+)

• OH-

What ions are there more of in basic solutions?

• H+ (H3O+)

• OH-

Which one of the following is NOT a property of acids.

• Tastes sour

• Corrodes metals

• Conduct electricity

• Turns red litmus paper blue

Which one of the following is NOT a property of basic solutions?

• Feels soapy/slippery

• Tastes sour

• Conducts electricity

• Turns red litmus paper blue

How do acid base indicators work?

• They change smell in different pH values

• They change temperature in different pH values

• They do not do anything in different pH values

• They change color in different pH values

Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.

• Acids; pH less than 7

• Acids; pH greater than 7

• Bases; pH greater than 7

• Bases; pH less than 7

If an acid is combined with a base of equal strength, the result will most likely be

• a neutral solution.

• a stronger acid.

• impossible to tell without testing the pH.

• a stronger base

Which of the following is true about acids and bases?

• The lower the pH, the stronger the acid

• the higher the pH, the stronger the acid

• The lower the pH, the more neutral the acid

• The higher the pH, the weaker the base

On the pH scale what numbers are bases?

• 8-14

• 0-7

• 7

• 1