Acids and
alkalis
When a substance dissolves in water it makes a solution.
Solutions can be sorted by whether they are: acid,alkali or neutral.
Acids and alkalis are corrosive. They eat into things. Acids
have a sharp taste. Alkalis have a soapy feel. Neutral solutions are neither
acid nor alkaline. Water is a neutral solution.
Alkalis
Many everyday substances are alkalis. They feel soapy. They
are corrosive.
When the oxides of some metals dissolve in water they make
an alkali solution.
Alkalis react with acids and neutralize them.
Acids
Many everyday substances are acids. They have a sour taste.
They are corrosive.
When the oxide of some non-metals dissolve in water they
make an acid.
Alkalis react with acids and neutralize them. Acids react
with metals and carbonates.
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