2.4 pH and Buffers Flashcards

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1
Q

a substance that donates hydrogen ions and therefore lowers pH

A

acid

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2
Q

a substance that absorbs hydrogen ions and therefore raises pH

A

base

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3
Q

a solution that resists a change in pH by absorbing or releasing hydrogen or hydroxide
ions

A

buffer

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4
Q

filter paper that has been treated with a natural water-soluble dye so it can be used
as a pH indicator

A

litmus paper

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5
Q

a scale ranging from 0 to 14 that measures the approximate concentration of hydrogen
ions of a substance

A

pH scale

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