Question

What are the effects of oxidation in everyday life ?

Answer 1

1.Corrosion-When metal is attacked by substances around it such as moisture,acid etc it is said to corrode and this is called corrosion 2.Rancidity-When fats and oils are oxidized that become rancid and their smell and taste change

Answer 2

Answer:

(i) Combustion is the most common example for oxidation reactions.

(ii) Rising of dough with yeast depends on Oxidation of Sugars to Carbon Dioxide and Water.

(iii) Bleaching of coloured objects using Mosit Chlorine.

$Cl_2 + H_2O$ ⇒ $HOCl + HCl$

$HOCl$ ⇒ $HCl + (O)$

Coloured object + (O) ⇒ Colourless object (O is known as Nascent Oxygen)

(iv) Sometimes during rainy season the power supply to our Homes from the electric pole will be interrupted due to formation of Metal dioxide layer on the Electric wire.

(v) This matal oxide is an Electrical Insulator. One removing the metal oxide layer formed on the wire with a samd paper, supply of Electricity can be restored.