Acids, Bases, and Kale Chips

What is the primary role of lemon juice when sprinkled over kale chips?

• To add sweetness

• To enhance bitterness

• To counter the bitter alkaline taste

• To add a salty flavor

Which of the following is a characteristic of an acid?

• Bitter taste

• Slippery feel

• Sour taste

• Neutral pH

Explain how the acidity of lemon juice affects the taste of kale chips.

• It enhances the bitterness of kale.

• It neutralizes the alkaline taste of kale.

• It makes the kale chips more alkaline.

• It has no effect on the taste.

Which of the following is a common property of bases?

• Sour taste

• Turns red litmus paper blue

• Reacts with metals to produce hydrogen gas

• Has a pH less than 7

Describe the chemical reaction that occurs when lemon juice is added to kale chips.

• Acid-base neutralization

• Oxidation-reduction

• Precipitation

• Combustion

Why is it important to balance the acidity and alkalinity in food preparation?

• To ensure the food is visually appealing

• To enhance the nutritional value

• To achieve a balanced flavor profile

• To increase the shelf life

• 3

• 7

• 10

• 14

If kale has a naturally bitter taste due to its alkaline nature, what pH range would you expect it to have?

• 1-3

• 4-6

• 7

• 8-10

Predict the outcome if lemon juice is not added to kale chips.

• The chips will taste sweeter.

• The chips will retain their bitter taste.

• The chips will become more acidic.

• The chips will have no flavor.

Many cleaning solutions are bases. Which of the following is a property of most bases?

• feels slippery
• white color
• can only be liquid
• tastes sour