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Acids and Bases

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  • If you test a substance using litmus paper and it has a pH level of 12, then it is a(n)
    acid
    neutral
    noble gas
    base
  • A base is a solution that has:
    both H+ and OH- ions
    an excess of H+ ions
    neither H+ nor OH- ions
    an excess of OH- ions
  • A base is found in:
    sour candies
    oven cleaner
    orange juice
    car batteries
  • Pure water, which is neutral, has a pH of:
    6
    12
    7
    3
  • An acid is a solution that has:
    neither H+ nor OH- ions
    an excess of H+ ions
    an excess of OH- ions
    both H+ and OH- ions
  • If a substance feels slippery and tastes bitter, it is a(n):
    acid
    base
    noble gas
    neutral solution
  • An acid:
    all of these answers are correct
    reacts strongly with metals
    is corrosive
    tastes sour
  • If you test a substance using litmus paper and it has a pH level of 2, then it is a(n):
    noble gas
    acid
    base
    neutral
  • If you add vinegar (acid) to a cup of water, what pH change will likely happen to the water?
    from pH 7 to pH 3
    from pH 12 to pH 7
    from pH 3 to pH 6.99
    from pH 7 to pH 12
  • After mixing equal amounts of hydrochloric acid and sodium hydroxide, the solution will be:
    strongly acidic
    weakly basic
    nearly neutral
    weakly acidic
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