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