Acids & Base revision

pH stands for

• purple hydrogen indicator

• percent of carbon dioxide

• percent of hydrogen ions

• percent of oxygen molecules

The pH scale ranges from

• 0-14

• 1-100

• 7-14

• 0-10

On the pH scale, acids range from

• 0-13

• 8-10

• 8-14

• 0-7

On the pH scale, bases range from

• 0-3

• 6-10

• 8-14

• 0-7

Strong acids and bases are found at the opposite ends of the pH scale.

• True

• False

A substance with a pH of 7 is considered ___

• acidic

• pH neutral

• basic

• alkaline

Acids contain ____ ions.

• H⁺

• H^-

• O^-

• O⁺

Bases contain ____ ions.

• OH⁺

• OH^-

• O^-

• O⁺

Tags

NGSS.HS-PS1-3

If you put a metal in acid it will ____.

• blow up

• become shiny

• dissolve

• feel slippery

Tags

NGSS.MS-PS1-2

What is one substance that is formed when you mix an acid and a base?

• more H⁺ ions

• water

• hydrogen peroxide

• lemon juice