RoseMarie Gallagher and Paul Ingram Solutions for Chapter: Air and Water, Exercise 4: Q
Author:RoseMarie Gallagher & Paul Ingram
RoseMarie Gallagher Chemistry Solutions for Exercise - RoseMarie Gallagher and Paul Ingram Solutions for Chapter: Air and Water, Exercise 4: Q
Attempt the free practice questions on Chapter 15: Air and Water, Exercise 4: Q with hints and solutions to strengthen your understanding. Complete Chemistry for Cambridge IGCSE® Second Edition solutions are prepared by Experienced Embibe Experts.
Questions from RoseMarie Gallagher and Paul Ingram Solutions for Chapter: Air and Water, Exercise 4: Q with Hints & Solutions
EASY
Upper Secondary: IGCSE
IMPORTANT
What is rusting?
EASY
Upper Secondary: IGCSE
IMPORTANT
Which two substances cause iron to rust?
EASY
Upper Secondary: IGCSE
IMPORTANT
See if you can think of a way to prove that it is the oxygen in air, not nitrogen, that causes rusting.
EASY
Upper Secondary: IGCSE
IMPORTANT
Iron that is tin-plated does not rust. Why not?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
You have a new bike. Suggest steps you could take to make sure it does not rust. Give a reason for each one.
EASY
Upper Secondary: IGCSE
IMPORTANT
What does the sacrificial protection of iron mean?
EASY
Upper Secondary: IGCSE
IMPORTANT
Both magnesium and zinc can be used for the process of rusting. Why?
EASY
Upper Secondary: IGCSE
IMPORTANT
Why copper will not work for sacrificial protection. Explain why.
