Which of the following are acids

• vinegar

• soap,

• sodium hydroxide

• Lemon juice

Red litmus paper turns blue in a substance. This indicates it is

• a base

• an acid

• Neutral

Which is more accurate for measuring the pH of a substance

• pH meter

• universal indicator

• litmus paper

If blue litmus remains blue in a solution this indicates that the solution is a (pick 2)

• base

• acid

• neutral

What two substances are always formed when a neutralisation reaction occurs.

• salt

• sodium hydroxide

• hydrochloric acid

• water

What is this piece of equipment

What is this piece of equipment

What is this piece of equipment

the pH scale is a measure of how acidic and how ___________ something is

A neutral substance has a pH of __________