Chemistry 4 Acids and Bases

• Acids are any substance which measure less than 7 on the PH scale.
• When an acid is added to water it forms H+ ions.
• Modern industry requires lots of sulphuric acid for processes such as: car batteries, fertalisers, detergents and to prepare metals for painting.

• Alkalis are any base dislolved in water.
• A base is a substance with a PH of more than 7
• Alkalis form OH- ions when added to water.
• Alkalis are used in cleaning products such as oven cleaner

Acid+base  ---> Salt+water

H+  +  OH-  ---> H2O