Question

1. Iron with oxygen in the presence of moisture.
2. Magnesium with oxygen.
3. Sulphur dioxide with water.
4. Burning of coal and passing the gas produced, to water.
5. Corrosion of copper.
6. Displacement reaction of Zinc and copper sulphate.
7. Reaction of sodium with water.

Proper Equations needed for the above questions.
​

Answer 1

Answer:

1Rust is an iron oxide, a usually reddish-brown oxide formed by the reaction of iron and oxygen in the catalytic presence of water or air moisture