ACIDS and BASES
, PROPERTIES OF AN ACID
• Acids were as early as 1663 classified as those substances that :-
• Had a sour taste
• Had an ability to change the colour of vegetable dyes, (indicators)
• Had a great ability to dissolve in water
• Had a tendency to react with metals to evolve hydrogen
• Could neutralize bases
, PROPERTIES OF AN ACID
• Acids were as early as 1663 classified as those substances that :-
• Had a sour taste
• Had an ability to change the colour of vegetable dyes, (indicators)
• Had a great ability to dissolve in water
• Had a tendency to react with metals to evolve hydrogen
• Could neutralize bases