下列说法正确的是(   ) A.天然气、石油都是清洁的可再生能源

下列说法正确的是(  

A.天然气、石油都是清洁的可再生能源

B.在燃煤中添加碳酸钙或生石灰可以减少SO2的排放

C.在AgC1饱和溶液中加入AgNO3液,达平衡时,溶液中Ksp(AgCl)降低

D.地沟油和矿物油都属于酯类物质

答案

B

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