ACIDS / 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

Neutral solutions have a pH of:

• 0

• 1

• 7

• 14

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

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

• Acid

• Base

• Neither (Neutral)

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.

Vinegar is an example of:

• An acid.

• A base.

• Neither an acid nor a base.

Tags

NGSS.MS-PS1-2

Weaker bases have a pH closer to...

• 8

• 0

• 14

• 4

Stronger acids have a pH closer to...

• 7

• 0

• 14

• 9