Acids and Bases Properties

Neutral solutions have a pH of:

• 0

• 1

• 7

• 14

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

• Acid

• Base

• Neither (Neutral)

Feels slippery

• acid

• base

• an acid and a base

Compare the pH of lemon juice to that of pure water.

• Lemon juice has a higher pH than water.

• Lemon juice has a lower pH than water.

• Lemon juice and water have the same pH.

• Lemon juice is neutral like water.

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What is the pH value of pure water at room temperature?

• 0

• 7

• 14

• 1

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Which of the following is a property of acids?

• Bitter taste

• Slippery feel

• Sour taste

• Turns red litmus paper blue

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DOK Level 1: Recall

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Which of the following is a property of bases?

• Sour taste

• Turns blue litmus paper red

• Slippery feel

• pH less than 7

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Which of the following substances is likely to have a pH greater than 7?

• Vinegar

• Lemon juice

• Soap

• Coffee

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What is the pH range of most acidic substances?

• 0 to 7

• 7 to 14

• 0 to 14

• 7 only

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What is the primary reason why acids and bases are important in everyday life?

• They are used to make water.

• They are used in cleaning and cooking.

• They are used to create light.

• They are used to produce sound.

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DOK Level 1: Recall

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