Is it an acid, base, or neutral ... When instead a base gets in the water, a different reaction happens that changes the indicator molecule and it looks green. This activity is adapted from an ...

When an acid is neutralised, it forms a salt. Making salts Acids react with metals, bases and carbonates to produce salts. Neutralisation is the reaction between an acid and a base. Titration and ...

A neutral substance is neither an acid nor a base. Give each student an Activity Sheet (PDF). Students will record their observations and answer questions about the activity on the activity sheet.

When insoluble metal carbonates and insoluble metal oxides are used to produce soluble salts, excess base is added to the acid. The mixture can then be filtered to remove unreacted metal carbonate ...