Acids and Bases Quiz

Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?

• lemon juice, milk, baking soda, bleach

• bleach, baking soda, milk, lemon juice

• milk, lemon juice, baking soda, bleach

• baking soda, bleach, lemon juice, milk

Which of these is a property of acidic solutions?

• they taste sour

• they feel slippery

• they are in many cleaning products

• they taste bitter

Acids are substances that release positively charged _______ ions in water.

Bases turn _______ litmus paper _______.

The _______ scale measures the strength of acids and bases.

Is this substance a strong or weak acid?

Acid rain has a pH of 4. Is acid rain a stronger or weaker acid?

• stronger acid

• weaker acid

A sugar solution does not change the color of both blue and red litmus paper. What does this tell you about the sugar solution?

Fish give off ammonia, a base, as a waste. How does this affect the pH of the water in an aquarium? What can be done to correct he problem?

1. Identify each as an acid or a base.

• Water

• 
• Base

• 
• Acid

•