Chemistry

5. a substance that speeds up a chemical reaction, but is not consumed by the reaction
6. ... are substances initially present in a chemical reaction that are consumed during the reaction to make products
7. any of a class of natural or synthetic substances composed of very large molecules,that are multiples of simpler chemical units called monomers.
9. the separation of a mixture by passing it in solution or suspension or as a vapor through a medium in which the components move at different rates
10. a technique used to separate out homogeneous mixtures where there is one or more dissolved salts.

1. a separation method used to separate out pure substances in mixtures comprised of particles, some of which are large enough in size to be captured with a porous material.
2. ... chemistry uses qualitative and quantitative observation to identify and measure the physical and chemical properties of substances. In a sense, all chemistry is analytical.
3. ... flask, a titration flask, is a type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck
4. an effective method to separate mixtures comprised of two or more pure liquids
8. a vessel in which substances are ground or crushed with a pestle.