Understanding pH Values in Daily Life

What is the pH range of acidic substances?

• pH range of acidic substances is 4 to 7.

• pH range of acidic substances is 0 to 14.

• pH range of acidic substances is 0 to less than 7.

• pH range of acidic substances is 7 to 14.

Name a common acidic substance and its approximate pH.

• Acetic acid, pH 4-5

• Sodium hydroxide, pH 12-14

• Hydrochloric acid, pH 1-2

• Citric acid, pH 6-7

What is the pH of pure water?

• 6

• 5

• 8

• 7

What pH value is considered neutral?

• 7

• 8

• 6

• 5

Which household cleaner is typically basic?

• Lemon juice

• Dish soap

• Vinegar

• Baking soda

What is the pH of lemon juice?

• 4 to 5

• 6 to 7

• 2 to 3

• 8 to 9

How does the pH of vinegar compare to that of baking soda?

• Vinegar is basic (pH 8-9), while baking soda is acidic (pH 2-3).

• Vinegar is acidic (pH 2-3), while baking soda is basic (pH 8-9).

• Both vinegar and baking soda have a neutral pH of 7.

• Vinegar has a pH of 5-6, and baking soda has a pH of 9-10.

What is the pH of most fruits?

• The pH of most fruits is between 3 and 5.

• The pH of most fruits is above 8.

• The pH of most fruits is between 1 and 2.

• The pH of most fruits is between 6 and 8.

Name a vegetable that is considered acidic.

• Tomato

• Cucumber

• Lettuce

• Carrot

What is the pH of bleach?

• 11 to 13

• 9 to 11

• 7 to 9

• 3 to 5