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