wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Which of the following is true about rusting?


A

rusting will take place in absence of water

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

rusting will not take place in the presence of water and air

No worries! We‘ve got your back. Try BYJU‘S free classes today!
C

rusting will take place in absence of air

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

none of these

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D

none of these


The explanation of the correct option:

(D)none of these

Rusting

  • Corrosion of elemental iron and its alloys, such as steel, is known as rusting.
  • If a piece of iron is in the open for some time, It develops a brownish coating.
  • This process is called rusting and the substance is called rust.

In the rusting process, iron reacts with water and oxygen and forms hydrated iron oxide so none of these options are true.

The explanation of incorrect options:

Option A:

Rusting of iron takes place in the presence of moisture and air, so the presence of water is important for the rusting process.

Option B:

Rusting will take place in the presence of water and air.

Option C:

Rusting of iron takes place in the presence of moisture and air, so the presence of air is important for the rusting process.

Hence, option (D) is the correct option. None of these options is true about rusting.


flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Conditions for Rusting
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon