C4 Acids and Alkalis

A substance with a pH less than 7; they neutralise alkalis.

A substance with a pH greater than 7; they neutralise acids and their bases will dissolve in water

Substances that neutralise acids. Some bases dissolve in water to form alkalis.

Substances that speed-up reactions or help reactions take place.

A substance that contains chlorine ions bonded to metal ions.

To add water to acid or alkali to reduce the number acid or alkali molecules in a particular volume.

Describes a substance as dangerous to life.

Labels on chemical containers warning about the ways the chemical can be dangerous.

A strong acid formula HCl with molecules formed from hydrogen and chlorine ions.

Chemicals that change colour depending on the pH.

Describes a solution with a pH of 7.

To react an acid with an alkali to produce a neutral solution containing a salt.

Substance formed when nitric acid reacts with a metal.

A strong acid; formula HNO3 with molecules containing hydrogen, nitrogen and oxygen.

A scale used to measure the strength of acids and alkalis.

Generally an ionic compound containing metal and non-metals ions; produced by a reaction of an acid and an alkali.

Taste caused by acids.

A substance formed when sulphuric acid reacts with metal.

A strong acid formula H2SO4; with molecules containing hydrogen, sulphur and oxygen atoms.

A mixture of different dies that change colour depending on pH.