Acids and Bases

Which of the following statements is true concerning acids and bases?

• acids and bases don't react with each other

• acids mixed with bases neutralize each other

• acids mixed with bases make stronger bases

• acids mixed with bases make stronger acids

Tags

NGSS.MS-PS1-2

True or false: bases are sometimes called alkaline.

• True

• False

Which is the correct set of acid properties, as described by Boyle:

• sour taste, corrosive, change litmus from red to blue

• sour taste, corrosive, change litmus from blue to red

• sweet taste, slippery, change litmus from blue to red

• sour taste, slippery, change litmus from blue to red

True or false: a neutral solution has equal amounts of H⁺ and OH^-.

• True

• False

Which is true?

• pH of less than 7 is basic; pH of more than 7 is acidic

• pH of less than 7 is acidic; pH of more than 7 is basic

Vinegar, fruit juice, and cola are examples of:

• strong acids

• strong bases

• strong bases

• weak acids

Tags

NGSS.MS-PS1-2

HCl is found in household products, including some toilet bowl cleaners. Is HCl an acid or a base?

• Acid

• Base

• Neither (Neutral)

Tags

NGSS.MS-PS1-2

Ammonia is found in many household products, including window cleaner. What is the pH of ammonia?

• It's acidic.

• It's basic.

• It's neutral.

If you check the pH of cooking oil with litmus paper, the results will indicate that the oil is:

• Acidic.

• Basic.

• Neither acidic nor basic, since a substance must dissociate in water to cause a change to litmus paper.

Tags

NGSS.MS-PS1-2

Tums and Milk of Magnesia are examples of:

• Acids

• Antacids

• Neither acids nor bases.

• Both antacids and bases.

Tags

NGSS.MS-PS1-2