![glossy](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/illustrations/blue-glossy.png)
![glossy](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/illustrations/purple-glossy.png)
![glossy](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/illustrations/fade_circle.png)
ICSE /Class 7
Chemistry MCQ Based On Distinguish between
Our free online Chemistry test quiz for Class 7, ICSE will assist you to improve your Chemistry skills on every concept in a fun interactive way.
![glossy](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/illustrations/blue-glossy.png)
![glossy](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/illustrations/fade_circle.png)
![test-your-knowledge](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/test_your_knowledge/laptop_testyourknowledge.png)
Happy students
![img](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/subject/awesome-classes.png)
Awesome classes
ICSE Class 7 Chemistry Distinguish between
|
composition of oxygen
Think about the changes
Water vapour
chemical change
Oxygen is neutral in nature, So, it does not affect blue litmus paper. Whereas Carbon dioxide is slightly acidic in nature, So, it changes blue litmus to slightly pink.
Think about the changes
rusting of iron
air
human life and combustion
![](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/test_your_knowledge/banner.png)
At JustTutors, we believe in the power of digital technology to help students get personalized learning and attention from India's best-in-class science, english and math tutors. We are focused on creating a top-class e-learning platform that brings together the best teachers, technology, media, content for creating a seamless and world-class experience for every student.
![Justie](https://www.justtutors.com/assets/images/chatbot_justie.gif)