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UPSC Prelims 2025 Paper-I 📅 25 May, 2025

Consider the following statements:
Statement I: Activated carbon is a good and an attractive tool to remove pollutants from effluent streams and to remediate contaminants from various industries.
Statement II: Activated carbon exhibits a large surface area and a strong potential for adsorbing heavy metals.
Statement III: Activated carbon can be easily synthesized from environmental wastes with high carbon content.

Which one of the following is correct in respect of the above statements?

A
Both Statement II and Statement III are correct and both of them explain Statement I
B
Both Statement II and Statement III are correct but only one of them explains Statement I
C
Only one of the Statements II and III is correct and that explains Statement I
D
Neither Statement II nor Statement III is correct
Result Summary
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APEDIA

UPSC Prelims
2025 • 25 May, 2025 • Paper-I
Consider the following statements:
Statement I: Activated carbon is a good and an attractive tool to remove pollutants from effluent streams and to remediate contaminants from various industries.
Statement II: Activated carbon exhibits a large surface area and a strong potential for adsorbing heavy metals.
Statement III: Activated carbon can be easily synthesized from environmental wastes with high carbon content.

Which one of the following is correct in respect of the above statements?
Correct Answer
Both Statement II and Statement III are correct and both of them explain Statement I
Both Statements II and III explain why activated carbon is an attractive tool for pollutant removal (Statement I). Its large surface area makes it highly effect......
💡 Analysis & Explanation
Introduction
Both Statements II and III explain why activated carbon is an attractive tool for pollutant removal (Statement I). Its large surface area makes it highly effective at adsorption (II), and the fact that it can be synthesized cheaply from carbon-rich waste makes it economically attractive (III).