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17 Cards in this Set

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  • Back
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what is the pigment inside chloroplasts of an elodea cell?
chlorophyll
what is the pigment inside chloroplasts of a carrot cell?
carotenoid
what is the substance inside leucoplasts of a potato cell?
starch
what is the pigment inside the vacuole of a flower petal cell?
anthonyn
person's name
a ph greater than 7 is a what?
base
a pH less than 7 is a what?
acid
is HCL an acid or a base? and what ion gives you the clue?
acid, hydrogen ion
is NaOH an acid o a base? and what ion gives you the clue?
base, hydroxide ion
what happens to the pH of water when acid is added?
pH lowers
what happens to the pH of a buffered solution when acid is added?
pH lowers
when presented with two test tubes: one with a buffered solution+acid and one with water+acid how will you know which one is which?
the one with the ph of 4 is the water and the one with the ph of 7 is the buffer
when presented with a graph similar to the one you drew in your lab manual how can you interpret which buffered solution was the best at maintaining the ph of a solution after acid was added?
the one that maintained the same ph longer
what is the pH indicator used in determining the effictiveness of antacids?
HCL
what color is the antacid solution when the pH indicator was added?
purple
what color is the antacid solution/pH indicator when the antacid is no longer effective?
yellow
when presented with two test tubes: one with a purple substance and one with a yellow substance which one has the lower pH?
the yellow one
when presented with test tubes that have 10 drops of acid added to each tube how will you identify which antacids were more effective?
the ones that are purple