Unit 6 Vocabulary: Acids and Bases

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Last updated 12:48 PM on 7/13/26
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11 Terms

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Base

A substance that increases the number of hydroxide (OH-) ion in a solution when dissolved in water. Bases are pH 7.1 to 14 on the pH scale.

<p>A substance that increases the number of hydroxide (OH-) ion in a solution when dissolved in water. Bases are pH 7.1 to 14 on the pH scale.</p>
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Acid

A substance that increases the number of hydrogen (H+) ion in a solution when dissolved in water. Acids are pH 0 to 6.9 on the pH scale.

<p>A substance that increases the number of hydrogen (H+) ion in a solution when dissolved in water. Acids are pH 0 to 6.9 on the pH scale.</p>
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pH

potential of hydrogen

<p>potential of hydrogen</p>
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Neutralization

The reaction of an acid and a base to form a neutral solution of water and a salt. pH = 7

<p>The reaction of an acid and a base to form a neutral solution of water and a salt. pH = 7</p>
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pH scale

A scale that measures from 0 to 14 used to measure the pH of a solution. Acids are pH 0 to 6.9 and bases are pH 7.1 to 14.

<p>A scale that measures from 0 to 14 used to measure the pH of a solution. Acids are pH 0 to 6.9 and bases are pH 7.1 to 14.</p>
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Indicator

A compound that changes color in the presence of an acid or a base

<p>A compound that changes color in the presence of an acid or a base</p>
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Litmus paper

an indicator paper that turns red in an acid and blue in a base

<p>an indicator paper that turns red in an acid and blue in a base</p>
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Neutral pH

A substance with a pH = 7. Example: Pure water, salt solution

<p>A substance with a pH = 7. Example: Pure water, salt solution</p>
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Salt

An ionic compound made from the neutralization of an acid with a base.

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Hydrogen ion

A positively charged ion (H+) formed from a hydrogen atom that has lost its electron

<p>A positively charged ion (H+) formed from a hydrogen atom that has lost its electron</p>
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Hydroxide ion

A negatively charged ion made of oxygen and hydrogen (OH-)

<p>A negatively charged ion made of oxygen and hydrogen (OH-)</p>