Acids and bases quiz

Explain what happens when a strong acid and a strong base are poured into the same container.

• they form separate layers
• they mix physically but not chemically
• they break apart into separate elements
• they react chemically to form a salt

When dissolved in water, bases produce:

• acids
• salts
• hydrogen ions
• hydroxide ions

Which of these solutions is an acid?

• Dish Soap: pH of 12
• Tomato Soup: pH of 4
• Baking Soda: pH of 9
• Drain Cleaner: pH of 14

Tags

NGSS.MS-PS1-2

The pH of vinegar is 2.5.  Vinegar is a _____________.

• strong acid
• strong base
• weak base
• weak acid

What is the pH of water?

• 0
• 4
• 7
• 14

Litmus paper can be used to determine the _______ of a substance

• relative volume

• relative pH

• temperature

• chemical formula

Which of the following statements is correct?

• Blue litmus paper turns red when placed in a base.

• Red litmus paper turns blue when placed in a base.

• Blue litmus paper stays blue when placed in an acid.

• Red litmus paper stays red when placed in a base.

Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?

• strongly acidic

• slightly acidic

• strongly basic

• slightly basic

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

A pH level of 7 indicates

• acid

• base

• neutral

• non of the following