State two ways to prevent the rusting of iron.
What is reactivity series? How does the reactivity series of metals help in predicting the relative activities of various metals?
Suggest different chemical processes used for obtaining a metal from its oxides for metals in the middle of the reactivity series and metals towards the top of the reactivity series. Support your answer with one example each.
List in tabular form any three chemical properties on the basis of which metals and non-metals are differentiated.
How is copper extracted from its sulphide ore? Explain the various steps supported by chemical equations. Draw labelled diagram for the electrolytic refining of copper.
Write the steps involved in the extraction of pure metals in the middle of the activity series from their carbonate ores.