Class 7 Exam > Class 7 Videos > Science Class 7 (Old NCERT) > Burning of Magnesium Ribbon as a Chemical Change
Burning of Magnesium Ribbon as a Chemical Change Video Lecture | Science Class 7 (Old NCERT)
FAQs on Burning of Magnesium Ribbon as a Chemical Change Video Lecture - Science Class 7 (Old NCERT)
| 1. What is the chemical equation for the burning of magnesium ribbon? |  |
Ans. The chemical equation for the burning of magnesium ribbon is 2Mg + O2 -> 2MgO.
| 2. Why does magnesium ribbon burn during the reaction? | |
Ans. Magnesium ribbon burns during the reaction because it is highly reactive with oxygen. When the magnesium ribbon is heated, it combines with oxygen from the air to form magnesium oxide.
| 3. What are the physical changes observed during the burning of magnesium ribbon? | |
Ans. During the burning of magnesium ribbon, several physical changes can be observed. The ribbon starts to glow brightly, producing a white light. It also undergoes a change in color from silver to white as it reacts with oxygen. Additionally, the ribbon gradually disintegrates and turns into ash-like residue.
| 4. What are the properties of magnesium oxide formed during the burning of magnesium ribbon? | |
Ans. Magnesium oxide formed during the burning of magnesium ribbon has several properties. It is a white, powdery solid that is insoluble in water. It has a high melting point and is stable at high temperatures. Magnesium oxide is also known for its alkaline properties and can react with acids to form salts.
| 5. What are the applications of magnesium oxide formed from the burning of magnesium ribbon? | |
Ans. Magnesium oxide has various applications. It is commonly used in the production of refractory bricks, which are heat-resistant materials used in furnaces and kilns. Magnesium oxide is also utilized as an ingredient in medical antacids, as it can neutralize excess stomach acid. Furthermore, it is used as a component in some types of cement and as a supplement in livestock feed.
About this Video
4.4K Views
4.90/5
Rating
Oct 05, 2025
Last updated
Video Description: Burning of Magnesium Ribbon as a Chemical Change for Class 7 2025 is part of Science Class 7 (Old NCERT) preparation.
The notes and questions for Burning of Magnesium Ribbon as a Chemical Change have been prepared according to the Class 7 exam syllabus.
Information about Burning of Magnesium Ribbon as a Chemical Change covers all important topics for Class 7 2025 Exam.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for Burning of Magnesium Ribbon as a Chemical Change.
Introduction of Burning of Magnesium Ribbon as a Chemical Change in English is available as part of our Science Class 7 (Old NCERT) for Class 7 & Burning of Magnesium Ribbon as a Chemical Change in
Hindi for Science Class 7 (Old NCERT) course. Download more important topics related with notes, lectures and mock test series for
Class 7 Exam by signing up for free.
Description
Video Lecture & Questions for Burning of Magnesium Ribbon as a Chemical Change Video Lecture | Science Class 7 (Old NCERT) - Class 7 full syllabus preparation | Free video for Class 7 exam to prepare for Science Class 7 (Old NCERT).
Information about Burning of Magnesium Ribbon as a Chemical Change
Here you can find the meaning of Burning of Magnesium Ribbon as a Chemical Change defined & explained in the simplest way possible.
Besides explaining types of Burning of Magnesium Ribbon as a Chemical Change theory, EduRev gives you an ample number of questions to practice Burning of Magnesium Ribbon as a Chemical Change tests,
examples and also practice Class 7 tests.
Related Searches
Semester Notes
,study material
,shortcuts and tricks
,MCQs
,Burning of Magnesium Ribbon as a Chemical Change Video Lecture | Science Class 7 (Old NCERT)
,ppt
,Extra Questions
,past year papers
,Objective type Questions
,Important questions
,practice quizzes
,Previous Year Questions with Solutions
,Summary
,Viva Questions
,Exam
,mock tests for examination
,Burning of Magnesium Ribbon as a Chemical Change Video Lecture | Science Class 7 (Old NCERT)
,Sample Paper
,Free
,video lectures
,Burning of Magnesium Ribbon as a Chemical Change Video Lecture | Science Class 7 (Old NCERT)
;
Study Burning of Magnesium Ribbon as a Chemical Change on the App
Students of Class 7 can study Burning of Magnesium Ribbon as a Chemical Change alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the Burning of Magnesium Ribbon as a Chemical Change,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of Burning of Magnesium Ribbon as a Chemical Change is prepared as per the latest Class 7 syllabus.
|
© EduRev
|
Education Revolution
|
|
Signup on EduRev and stay on top of your study goals
10M+ students crushing their study goals daily