Assertion (A) : Decomposition reactions are generally endothermic reactions. Reason (R) : Decomposition of organic matter into compost is an exothermic process.
Assertion (A) : Decomposition reactions are generally endothermic reactions. Reason (R) : Decomposition of organic matter into compost is an exothermic process.
Options
Assertion (A) is false, but Reason (R) is true.
Marking Scheme
- 11 mark
Hint
Recall the definition of decomposition reactions and identify examples of exothermic decomposition reactions.
Quick Oral Answer
Assertion (A) is false, but Reason (R) is true.
Analysis & Explanation
The question requires the student to analyze the assertion and reason and identify the correct answer. The student should be able to understand the concept of decomposition reactions and identify examples of exothermic decomposition reactions.
Common Mistakes
- 1Assuming all decomposition reactions are endothermic
- 2Not providing examples of exothermic decomposition reactions
Interesting Facts
Decomposition reactions can be endothermic or exothermic.
The decomposition of organic matter into compost is an exothermic process.
Spotted a mistake or something unclear?
Tell us — we fix reported answers fast.
Frequently Asked Questions
How many marks does this question carry in CBSE Class 10 Science 2025?
This question carries 1 mark 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 "Decomposition Reaction" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2025 paper?
This is a MCQ question from Section A in the CBSE Class 10 Science 2025 paper.