Explain Potassium forms superoxide with oxygen .

What happens when potassium oxide reacts with water.

What happens when potassium chlorate is heated with manganese dioxide?

Describe the oxidising action of Potassium dichromate and write the ionic equation for its reactions with iron (II) solution.

Describe the oxidising action of Potassium dichromate and write the ionic equation for its reactions with iodide ion.

Describe the oxidising action of Potassium dichromate and write the ionic equation for its reactions with H_2S .

What type of oxides are formed when non-metals combined with oxygen?

What happens when metals reacts with oxygen?

The colour of potassium dichromate solution changes with the change of pH of the solution Explain how.