题干

如表是部分物质的密度,小刚由此提出了密度的一些看法,你认为正确的是(  )

0℃、1标准大气压下部分物质的密度(kg/m3

1.0×103

0.9×103

水银

13.6×103

干松木

0.4×103

酒精

0.8×103

8.9×103

煤油

0.8×103

2.7×103

A:固态物质的密度一定比液态物质的密度大

B:同种物质的密度不一定相同

C:体积相同的实心铜块和铝块,铜块质量大

D:密度跟物质质量成正比,跟体积成反

上一题 下一题 0.0难度 选择题 更新时间:2011-10-18 10:08:30

答案(点此获取答案解析)

B,C

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