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

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 soda are examples of:

• acids

• bases

• neutral solutions

Tags

NGSS.MS-PS1-2

NaOH is the main compound in Draino and Liquid Plumber, along with some soaps. Is NaOH an acid or a base?

• Acid

• Base

• Neutral solution

Weaker bases have a pH closer to...

• 8

• 0

• 14

• 4

Stronger acids have a pH closer to...

• 7

• 0

• 14

• 9

The pH scale is a range from:

• 1-7

• 0-14

• 1-5

• 1-14

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer