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