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science quiz 17
| Question | Answer |
|---|---|
| slippery | characteristic of base substance |
| colloid | substance with cloudy appearance |
| suspension mixture | particles large enough to settle out |
| product | part of chemical reaction |
| law of conservation of mass | mass does not change after an interaction |
| evaporation | separation of solids from liquids in solutions |
| filtration | separation of solids and liquids in mixtures |
| magnetism | separating magnetic and nonmagnetic materials |
| skimming | separation of liquids with different densities |
| ph scale | used to measure acidic or basic quality of substances |
| heterogeneous | not completely mixed mixture |
| neutral | substance not acidic or basic |
| colloidic | mixture with clumps & not completely mixed |
| chemical reaction | atoms rearranged within molecules to form new substance |
| acid | sour substance with hydrogen and reacts to metal |
| base | sweet substance without hydrogen that does not react to metal |