Acids, Bases and Salts

An ________ is a chemical compound that reacts with metals and with bases to produce salt.

• acid
• sugar
• water

A ________ is a substance that reduces the strength of an acid when reacts with it.

• acid
• neutral
• base

When an acid reacts with base, when say that the base ________ the acid.

• intensifies
• weaken
• neutralizes

If the base will dissolved in water we call it an __________

• neutral
• alkali
• acid

A strong alkali can react with many substances including human flesh. We say that a strong base is ___________

• neutral
• acid
• caustic

An _________ can be used to test if a substance is an acid or a base.

• thermometer
• calculator
• indicator

An acid solution turns blue litmus paper into _________

• red
• yellow
• green

An alkaline solution turns red litmus paper into __________

• yellow
• green
• blue

We use sulphuric acid to ___________

• electrolyte in car batteries

• treating indigestion

• cleaning teeth

We use nitric acid to ____________

• make coffee
• clean windows
• making fertilizers