A) A combination of two or more substances that are physically combined B) A chemical bond between two substances C) A pure substance composed of only one type of atom D) A single substance with uniform composition
A) A type of compound with strong chemical bonds B) A pure substance that cannot be separated by physical means C) A mixture in which one substance is dispersed evenly throughout another substance D) A solution with maximum solubility
A) By adding more water to dilute the salt B) By evaporation, leaving behind salt crystals C) By freezing the mixture to extract the salt D) By filtration to remove the salt
A) Evaporation B) Filtration C) Chromatography D) Decantation
A) Supersaturated solution B) Saturated solution C) Dilute solution D) Unsaturated solution
A) Emulsion B) Alloy C) Buffer solution D) Suspension
A) It causes the solution to solidify instantly B) It has no effect on the freezing point C) It raises the freezing point of the solution D) It lowers the freezing point of the solution
A) Chromatography B) Decantation C) Filtration D) Distillation |