Open Question: Chemistry questions, multiple choice!?

4 September 2010, 8:05 pm

1)If a substance is hygroscopic, it a.Repels water b.Seeks and readily absorbs water c.Does not mix with water d.Is a solvent 2)Enriched uranium a.Has a higher percent of U-235 b.Is almost entirely U-238 c.Is essentially the same as uranium d.None of these 3)Unlike alpha and beta radiation, gamma radiation a. Is made up of photons of energy b. Consists of particles c. Has a positive charge d. Has a negative charge alpha and beta radiation, gamma radiation Is made up of photons of energy Consists of particles Has a positive charge Has a negative charge 4)What atom contains two more protons than uranium? a. Neptunium b.Enriched uranium c. Plutonium d. Beryllium 5)Electricity is the flow of ______ driven by a difference in potential energy. a. Electrons b. Photons c. Radiation d. Protons 6)An automobile powered by a hydrogen-oxygen fuel cell would be a ZEV, or zero emissions vehicle. a. True b. False 7)Monomers are a.Long chains of atoms covalently bonded together b.Large molecules c.Synthetic fibers d.Small molecules used to synthesize the polymeric chain... Read More »

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