ACS General Chemistry Exam Study Guide With Multiple Questions Answered Correctly

9/66 Solution Terminology 42 (2 pts) In the process of dissolving 1 g of sodium perchlorate in water, the sodium perchlorate is referred to as the A) solute. B) solvent. C) solution. D) precipitate E) solid solution. 43 (2 pts) If 1 g of sodium perchlorate is dissolved in water, the water is referred to as the A) solute. B) solvent. C) solution. D) precipitate E) solid solution. Physical & Chemical Properties 44 (3 pts) At 25°C, chlorine is a green-yellow gas with a density of 3 × 10 g/cm . Chlorine has –3 3 a melting point of –101°C and a boiling point of –35°C, and the energy required to melt and boil chlorine is 6.4 and 20.4 kJ/mol, respectively. Chlorine burns in hydrogen to form hydrogen chloride. Underline the chemical property/properties of chlorine. 45 (6 pts) Describe how to separate a mixture of dirt, salt, and water into three components. Filter the mixture to separate the dirt from the salt water. Distill the salt water to separate the salt from the water. (The solid left behind is the salt; the liquid that distills is the water.) 46 (2 pts) A physical property of a substance is being described in which statement listed below? a. Its boiling point is 720°C. b. It dissolves in acid to give off hydrogen. c. It reacts violently with chlorine gas. d. It is very flammable in air. e. It reacts