Acids and Bases

Multiple Choice

What is the nature of HCl?

• Acid

• Neutral

• base

Multiple Choice

Identify the nature of solution.

• Acid

• Neutral

• Base

Multiple Choice

The strongest base in the image is ___

• Stomach acid

• Drain cleaner

• soap

Multiple Choice

Which of the following statements correctly describes the difference between a strong and a weak acid?

• When dissolved in water, strong acids release hydrogen ions while weak acids do not

• When dissolved in water, a strong acid produces more hydrogen ions than a weak acid.

  
  

• When dissolved in water, a weak acid produces more hydrogen ions than a strong acid.

  
  

Multiple Choice

According to the image,what happens when you take an antacid for heartburn?

• Antacids contain bases

• Antacid contain acid

• Antacid is neutral

Multiple Choice

1. Identify the pH at which the enzyme chymotrypsin works best (optimal activity).

• 8

• 7.5

• 10