Exploring pH Levels with Household Substances

What is considered a neutral pH value?

• 10

• 14

• 7

• 0

Which pH values are considered acidic?

• 0 to 6.9

• 1 to 6

• 7.1 to 14

• 7

What does pH paper indicate when dipped in a substance?

• Density

• pH level

• Viscosity

• Temperature

What color does pH paper turn when testing an acidic substance?

• It varies

• Blue

• Green

• Yellow

Which substance had a pH value indicating it was a strong acid?

• Sprite

• Soap

• Glass Cleaner

• Hot Sauce

What was the pH range observed for vinegar?

• Around 10

• Around 13

• Around 4

• Around 7

Which substance was identified as a strong base?

• Bleach

• Milk

• Orange Juice

• Vinegar

What pH value range did the glass cleaner fall into?

• 8 to 10

• 3 to 4

• 5 to 6

• 12 to 13

What pH value was milk found to have?

• 12

• 3

• 6

• 9

Which of the following is not a method to determine the pH of substances?

• Microscope

• Litmus paper

• Red cabbage juice indicator

• pH paper