C4 Chemical Changes AQA

An acid has a pH

• higher than 7

• lower than 7

• 7

• greater than 14

a base has a pH of

• lower than 7

• higher than 7

• 7

• it only has a pOH

the more H+ ions the

• stronger the acid

• weaker the acid

• it neutralizes

bleach is

• an acid

• a base

if you add an acid to a base what will happen?

• BOOM

• it will neutralize

• it wont mix

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The pH of pure water is 

• 3
• 2
• 8
• 7

If a substance has a pH of 6.5, what would the substance be characterized on the pH scale?

• Acid 
• Base

Which is the stronger acid?

• pH 1
• pH 4
• pH 8
• pH 13

A solution with a pH of 8.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

According to the pH range which substance is more acidic than lemon juice

• Hydrochloric acid
• cabbage
• milk

Tags

NGSS.MS-PS1-2