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Acids and Bases

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  • A pH level of 13 means that it is a(n):
    (strong) base
  • What is another word for base?
    Alkaline
  • If something has a pH of 8, is it a strong base, weak base, strong acid or weak acid?
    weak base
  • On the pH scale, what does the colour red signify?
    (Strong) Acid
  • What is the pH level of water?
    7
  • True or false: Acids are typically bitter
    False
  • True or False: Acids are reactive with most metals
    True
  • What kind of ions do ACIDS have?
    Hydronium ions
  • Which is a base? "Coffee" or "Baking Soda"
    Baking Soda
  • On the pH scale, what does the colour blue signify?
    Base
  • Are bananas acidic or basic?
    Acidic
  • On the pH scale, what does the colour green signify?
    Neutral
  • Anything with a pH lower than 7 is considered a(n):
    acid
  • If we add sodium hydroxide to water, what happens to the pH of the solution? Does it become more acidic or more basic?
    More basic, the pH level increases
  • If we add hydrochloric acid to water, what happens to the pH of the solution? Does it become more acidic or basic?
    More acidic, the pH level decreases
  • What kind of ions do BASES have?
    Hydroxide ions
  • Which is more basic? Lemon Juice or Bleach?
    Bleach
  • The strength of an acid or base depends on the concentration of:
    Ions
  • Are acids sticky or slippery?
    sticky
  • Which of the following is a neutral substance? a) Blood b) Sea Water c) Clean rain
    a) Blood
  • What is the typical taste of an acid?
    Sour
  • Is "corrosive" an adjective to describe an acid or a base?
    An acid
  • Are bases corrosive or caustic?
    Caustic
  • Anything with a pH equal to 7 is considered:
    neutral
  • Anything with a pH higher than 7 is considered a(n)
    base
  • Which is more acidic? Stomach acid or Battery acid?
    Battery Acid
  • What is the name given to the interaction that occurs between acids and bases in which the properties of each are cancelled out by the other?
    Neutralisation
  • To neutralise an extreme acid, an extreme ________ can be added
    Base
  • A pH level of 2 means that it is a(n):
    (strong) acid
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