Acids and Bases

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What is the definition of an acid?
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Acids are substances that release hydrogen ions (H+) when dissolved in water.
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What is the definition of a base?
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Bases are substances that release hydroxide ions (OH-) when dissolved in water.
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What does the pH scale measure?
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The pH scale measures the acidity or alkalinity of a solution.
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What is the pH range of acids?
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Acids have a pH less than 7.
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What is the pH range of bases?
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Bases have a pH greater than 7.
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Name a common example of an acid.
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Hydrochloric acid (HCl) is a common example of an acid.
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Name a common example of a base.
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Sodium hydroxide (NaOH) is a common example of a base.
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What is a neutral pH value?
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A neutral pH value is 7.
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What happens in a neutralization reaction?
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An acid reacts with a base to produce water and a salt in a neutralization reaction.
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How can the strength of an acid be determined?
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The strength of an acid can be determined by its ability to ionize or dissociate in water.
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How can the strength of a base be determined?
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The strength of a base can be determined by its ability to dissociate into hydroxide ions in water.
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What is a strong acid?
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A strong acid is one that completely ionizes in solution.
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What is a weak acid?
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A weak acid only partially ionizes in a solution.
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What is a strong base?
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A strong base completely dissociates into its ions in solution.
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What is a weak base?
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A weak base only partially dissociates in a solution.
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