Q1

compounds can be separated into elements by….

chemical changes

mixtures can be separated by….

physical changes

filtering separates mixtures based on….

particle size

large particles are ___ on the filter paper while the soluble components ____ the filter and stays in the ____

trapped, goes through, filtrate

distillation separates mixtures based on differences in….

boiling point

chromatography separates mixtures based on differences in….

polarity

in paper chromatography, the component that is most similar in polarity to the ____ moves up the farthest

mobile phase

____ is conserved during chemical and physical changes

mass

when reading a volume of liquid in a container, you can estimate by….

reading in between the graduated markings

estimating volume of a liquid can….

give you one more sig fig in your volume

ranking measuring devices from least precise to most precise….

beaker, graduated cylinder, volumetric flasks (only has one line to measure one specific volume), burette

density equals….

mass divided by volume

____ for a pure compound does not change

percent composition by mass