The chemical name of table salt is ________.
Write the chemical name and formula of (a) common salt, and (b) caustic soda.
When a green iron salt is heated strongly, its colour finally changes to brown and odour of burning sulphur is given out.
(a) Name the iron salt.
(b) Name the type of reaction that takes place during the heating of iron salt.
(c) Write a chemical equation for the reaction involved.