chapter 4 The World of Metals and Non-metals - Part 4

What is the best way to prevent rusting of an iron tool kept outdoors?

Type: MCQ • Marks: 1
What is the best way to prevent rusting of an iron tool kept outdoors?
Options
A. Scratch its surface
B. Paint or coat it
C. Store it in salt water
D. Keep it wet
Explanation
A protective coating prevents oxygen and water from reaching iron.
Want to attempt the full test series with a timer and instant score? Purchase the package to unlock the complete test. Purchase Now
Class 7th Curiosity

Practice more

This page is indexed for search so students can find questions directly from Google.

Purchase Full Access View full Test Series Browse Test Series
Login / Register
Chat on WhatsApp Go Back Top