Question

1..IS STATUE OF LIBERTY MADE OF GREEN COLOURED METAL?GIVE 2 REASONS AND THE CHEMICAL EQUATION ALSO??
2..WHY IRON TABLETS ARE NOT HARD AS HARD LIKE METAL IRON??

Answer 1

1. Statue of Liberty was actually of Brown colour. It is placed on a island. After some years it's colour started changing into green due to it's exposure to air and water around it.
The equation is an Oxidation Reaction.
Cu+O2+H20+CO2→CuCO3+Cu(OH)2

2. Iron tables are not as hard as iron metal because the tablets are made up of extremely minute quantity of Iron MOLECULES.