Acids and Bases

Which is the stronger acids ?

• pH 1

• pH 8

• pH 13

• pH 7

Which of the following is an acid ?

• Shampoo

• Baking soda

• Orange juice

• Water

Value from 0-14 that determine the acidity of a solution

• pH scale

• Base

• Number line

• Acid

Pure water has a pH of 7

• is a base

• is a neutral substance

• is an acid

• could be either an acid or a base

What is the range of pH values in an acidic solution?

• pH = 7

• 7-14

• 0-7

• 0-14

An acid is a solution that contains __________ ions dissolved in water.

• positive

• negative

When dissolved in water, acids produce:

• bases

• salts

• hydrogen ions

• hydroxide ions

Tags

NGSS.MS-PS1-2

Turns litmus red

• Acids

• Bases

• All

Which has a pH below 7?

• Acid

• Base

What colour does a base turn red litmus paper?

• Red

• Blue