Iron exhibits +2 ang +3 oxidation States. Which of the following Statements about iron is incorrect ?
Give reasons: Rusting of iron pipe can be prevented by joining with a piece of magnesium?
State reasons for the following, ''Rusting of iron is said to be an electrochemical phenomenon.''
Explain how rusting of iron is envisaged as setting up of an electrochemical cell.
Rusting of iron quicker in saline water than in ordinary water. Explain.
Which of the following are chemical changes ? Growth of a plant, Rusting of iron ,Mixing of iron filings and sand ,Cooking of food , Digestion of food , Freezing of water,Burning of a candle.
