WASH YOUR HANDS answer key

                     

Check your answers!

Why is rising your hands with only water not effective? 
C) Because viruses are surrounded by a layer of fat or oil.

What happens when you add soap to a mixture of oil and water?
A) The oil dissolves in water.

How long does it take for soap to destroy a virus?
B) 20 seconds.

What percentage of alcohol is effective?
C) 60%.