Junior Cert Science- Chemistry - Acids & Basesacidbase.jpg

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers.
You have eight minutes to complete this exercise. Good luck!
Acids have a taste. Acids turn blue litmus paper and have a pH than 7.
Bases turn red litmus paper and have a pH than 7. An alkali is a base that is in water.
The scale measures the strength of acids and bases. A substance will have a pH of 7.
An is a substance that can show if a substance is an acid, base or neutral by a change.
A reaction will occur when an acid and base react to form a and water. An acid and a will react to form a salt, water and carbon dioxide.