某同学过滤含有泥沙的水,滤液仍然浑浊,其原因可能是A.用玻璃

某同学过滤含有泥沙的水,滤液仍然浑浊,其原因可能是

A.用玻璃棒引流

B.漏斗的下端未靠在烧杯壁上

C.倾倒液体时液面高于滤纸边缘     

D.过滤时玻璃棒靠在三层滤纸一边

答案

C

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