Question:
Assertion (A): Carbon and its compounds are our major sources of fuels.
Reason (R): Most of the carbon compounds on burning release a large amount of heat and light.
Assertion (A): Carbon and its compounds are our major sources of fuels.
Reason (R): Most of the carbon compounds on burning release a large amount of heat and light.
Show Hint
Carbon compounds, when burned, undergo combustion, releasing heat and light due to their high energy content, making them essential as fuel sources.
Updated On: Feb 6, 2026
- Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
- Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
- Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.
Show Solution
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The Correct Option is A
Solution and Explanation
Step 1: Understanding Assertion (A). Carbon and its compounds, such as fossil fuels (coal, petroleum), are major sources of energy and have been used for combustion for heat and power.
Step 2: Understanding Reason (R). The burning of carbon compounds like hydrocarbons releases a significant amount of heat and light due to the energy stored in the chemical bonds.
Step 3: Conclusion. Both Assertion (A) and Reason (R) are true, and Reason (R) correctly explains why carbon compounds are major fuel sources. Hence, the correct answer is option (A).
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