Civil Services Examination · প্রশ্ন 10
Statement I: Activated carbon is a good and 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?
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Both Statement II and Statement III are correct and both of them explain Statement I
ব্যাখ্যা
High surface area/adsorption capacity (II) and low-cost synthesis (III) together explain why activated carbon is an attractive depollution tool (I).