Reactions: Y7

A base is a substance that neutralises an acid

An alkali is a soluble base

If an acid reacts with a base, there are two products - a salt and water

If an acid reacts with metal, there are two products - a salt and hydrogen

Sulphuric acid makes sulphates

Hydrochloric acid makes chlorides

Nitric acid makes nitrates

The reactivity series lists metals in order of how vigourously they react. The most reactive metals are at the top

More reactive metals displaced less reactive metals from compounds