Question

The weight of iron rod, increase or decrease. when iron rod rusted​

Answer 1

Answer:

Increase

Explanation:

The mass of iron increases as rusting happens when oxygen combines with iron therefore the mass increases. when iron is rusted, it's weight increases.

Answer 2

Answer :

• The weight of iron rod, increases when the rod is rusted.

Explanation ::

The weight of iron rod increases when the rod is rusted because when a piece of iron rod or object is exposed to the moist air it's surface gets covered with a reddish-brown powder called rust. As the iron gets rusted, it becomes more heavier and the weight increases.

Fe + Oxygen ⟶ Hydrated iron( III ) oxide [ rust ]

4Fe + 3O₂ ⟶ 2Fe₂O₃•xH₂O

Additional information

Some more information related to rusting :-

The conditions necessary for rusting of iron are :-

• Presence of air ( Oxygen )
• Presence of moisture.

Rusting :-

• The process of formation of rust on iron is called rusting.

Rust :-

• When when a iron object is exposed in moist air reddish-brown substance forms. This reddish-brown substance is called rust.