Question

Choose the correct statement for the aluminothermic process.

• A. When a mixture of aluminium powder and iron oxide is ignited, the latter is reduced to metal.
• B. When a mixture of aluminium powder and copper sulphate is ignited, the latter is reduced to metal.
• C. When a magnesium strip is reacted with aluminium sulphate solution, magnesium sulphate is formed.
• D. When an aluminium foil is reacted with calcium carbonate solution, the latter is reduced to metal.

Answer 1

The correct option is A When a mixture of aluminium powder and iron oxide is ignited, the latter is reduced to metal.

Aluminium is a powerful reducing agent. When a mixture of aluminium powder and iron oxide is ignited, the latter is reduced to metal. This process is known as aluminothermic process.
$F{e}_2{O}_3+2Al\to 2Fe+A{l}_2{O}_3+Heat$