1.

The density of liquid A is 1.6 g cm-3 and its height h(A) = 16.9 cm, then the density of oil B of height h(B) = 30 cm in the U-tube is about

A. 0.90 g/cm3
B. 1.12 g/cm3
C. 2.24 g/cm3
D. 3.54 g/cm3
Answer» B.


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