Engine_2014 : General Subjects - 75/3524
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| A hydrometer measures specific gravity by comparing the __________. |
| A) density of a substance in water with the density of the same subject in air |
| B) differences in volume between water and the liquid measured |
| C) mass of substance measured with the density of the same substance |
| D) buoyancy of an indicator in water with the buoyancy of the same indicator in the liquid being measured |
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