chapter 4 The World of Metals and Non-metals - Part 7

Which method protects an iron bicycle chain best?

Type: MCQ • Marks: 1
Which method protects an iron bicycle chain best?
Options
A. Regular greasing
B. Soaking it in water
C. Scratching it
D. Leaving it in moist air
Explanation
Grease forms a protective film and reduces corrosion as well as friction.
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