Which of the following devices is used to determine the relative density of an acid? by Sunday | Mar 13 | Physics WAEC | 0 comments A. manometer B. hydrometer C. hypsometer D. hygrometer Correct Answer: Option B B. hydrometer Users Also Read These:An empty density bottle weighs 2N. If its weighs 5N…A piece of metal of relative density 5.0 weighs 60N…A solid weighs 45N and 15N respectively in air and…A uniform cylindrical hydrometer of mass 20g and…A gas X diffuses twice as fast as gas Y. if the…