Curriculum
Course: Alhussan Chemistry — Stage 7
Login

Curriculum

Alhussan Chemistry — Stage 7

Chapter 1: The Particle Model and States of Matter

0/34

Chapter 2: Elements, Compounds and Mixtures

0/57

Chapter 3: Metals and Non-Metals

0/32

Chapter 4: Chemical Reactions 1

0/28

Chapter 5: Acids and Alkalis

0/33

Chapter 6: The Earth and Plate Tectonics

0/18
Quiz

4.5 Corrosion reactions — Visual & Photo Quiz

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 1
  • Passing grade: B+
Start Quiz
1.
Look at the classic rusting investigation showing iron nails in three test tubes: (1) nail in dry air with silica gel, (2) nail in boiled water covered with oil, (3) nail in water exposed to air. In which tube does the nail rust?
Dr Dabour Hub Academy - figure 1
Only in tube (3), because iron requires both water and oxygen to rust
In all three tubes equally
Only in tube (1) with dry air
Only in tube (2) under boiled water
Part of Chapter 4: Chemical Reactions 1 — see every lesson and quiz in this unit.
Accepted payment methods