Acids & Bases

PH Scale

• Compares the strength of acids

• Compares the strength of different bases

• A scale fo acids

• Compares the strength of different acids and bases

Universal Indicator

• Only on some cars

• Helps to identify the ph level of a substance

• Helps to identify acids only

• Helps to identify bases only

If a substance has a ph of less than 7

• It is neutral

• It is an acid

• It is a base

• It is none of the previous

If a substance has a ph of 10, it is..

• an acid

• neutral

• a base

• none of the previous

The reaction of an acid and a base to form a salt is called

• Neutralisation

• Universal Indicator

• Nullification

• Saltrification

When sulphur dioxide & nitrogen oxide mix withwater in the clouds what is formed?

• alkali rain

• lightning

• hail stones

• acid rain

A base that dissolves in water is known as..

• An acid

• Alkali

• A Basic

• An indicator

A substance that can cause material to corrode or dissolve is said to be..

• Corrosive

• Irritant

• Poison

• A Base

A substance that can cause slight inflammation or discomfort to the body is called..

• Corrosive

• Irritant

• Basic

• Poison

A Dilute solution has..

• A large amount of solute in a small amount ofsolvent

• The same amout of solute as solvent

• A small amount of solute in a large amount of solvent

• A small amount of solute in a small amount of solvent