Acid Base pH Scale Quiz

What are the properties of acids?

• Acids have a sour taste, turn blue litmus paper red, and react with metals to produce hydrogen gas.

• Acids have a sweet taste and turn red litmus paper blue

• Acids have a bitter taste and turn blue litmus paper green

• Acids have no taste and do not react with litmus paper

What are the properties of bases?

• Bland taste, sticky feel, turn blue litmus paper blue

• Sour taste, rough feel, turn blue litmus paper red

• Sweet taste, smooth feel, turn red litmus paper red

• Bitter taste, slippery feel, turn red litmus paper blue

What is the pH scale and how is it measured?

• The pH scale measures the temperature of a substance and is measured on a scale from 0 to 100

• The pH scale measures the brightness of a substance and is measured on a scale from 0 to 20

• The pH scale measures the weight of a substance and is measured on a scale from 0 to 10

• The pH scale measures the acidity or alkalinity of a substance and is measured on a scale from 0 to 14.

What is the pH level of a neutral substance?

• 3

• 7

• 10

• 5

How do acids affect the environment?

• Acids can cause harm to the environment by contributing to acid rain, which can damage soil, water, and vegetation.

• Acids promote healthy vegetation growth

• Acids help in improving soil quality

• Acids have no impact on the environment

How do bases affect the environment?

• By increasing the pH of soil or water

• By promoting the growth of harmful bacteria in soil or water

• By reducing the salinity of soil or water

• By decreasing the pH of soil or water

Give an example of a common household acid.

• Vinegar

• Baking soda

• Ammonia

• Bleach

Give an example of a common household base.

• Ammonia

• Baking soda

• Lemon juice

• Vinegar

What is the pH level of lemon juice?

• 10-11

• 7-8

• 2-3

• 5-6

What is the pH level of baking soda?

• 9

• 11

• 7

• 5