Define oxidation. Identify and name the substance oxidised in the following reaction:
Define oxidation. Identify and name the substance oxidised in the following reaction:
Official answer
Oxidation is the process of addition of oxygen or removal of hydrogen from a substance.
Marking scheme
- 1./2 for definition
- 2./1 for identification and naming
Hint
Identify the substance that is gaining oxygen or losing hydrogen.
Quick oral answer
Oxidation is the process of addition of oxygen or removal of hydrogen from a substance. In the given reaction, hydrogen is being oxidised.
Common mistakes
- 1.confusing oxidation with reduction
Analysis and explanation
In the given reaction, , hydrogen is being added to copper oxide, so copper oxide is being reduced. Hydrogen is losing electrons and getting oxidised. Therefore, the substance oxidised is hydrogen.
Interesting facts
oxidation is an important process in many chemical reactions
Question details
Q21 of 39 questions
- Board
- CBSE
- Class
- Class 10
- Subject
- Science
- Year
- 2025
- Section
- Section B
- Marks
- 2
- Type
- Very Short Answer
- Chapter
- Chemical Reactions and Equations
- Topic
- Oxidation
- Bloom's level
- Remembering
- Syllabus topic
- Chemical Reactions and Equations
Spotted a mistake or something unclear?
Tell us and we will fix it.
Frequently asked questions
How many marks does this question carry in CBSE Class 10 Science 2025?
This question carries 2 marks in the CBSE Class 10 Science 2025 examination.
Which chapter does this question come from in Science?
This question is from the chapter "Chemical Reactions and Equations" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Oxidation" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2025 paper?
This is a Very Short Answer question from Section B in the CBSE Class 10 Science 2025 paper.