A.5ml | B.10ml | C.50ml | D.100ml |
A.18ml | B.50ml | C.25ml | D.20ml |
A. 读取液体体积 | B. 过滤 |
C. 倾倒液体 | D. 制取二氧化碳 |
A.用10mL的量筒量取了8.5mL浓硫酸 |
B.用托盘天平称得某大理石样品质量为23.5g |
C.用pH试纸测定某工厂排放的污水pH=5.20 |
D.测得某粗盐中氯化钠的质量分数为93.8% |
A.5mL量筒 | B.10mL量筒 | C.50mL量筒 | D.100mL量筒 |
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