Water and minerals
Quiz by dave kistler
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13 questions
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- Q1slight charge; ex: water is a polar molecule; water is "sticky" and forms drops because of this; think mickey mouse ears diagrampolarity30s
- Q2no charge or evenly charged; ex: lipids like fats, waxes and oils do not dissolve in water since they are non-polar and water is polarnon-polar30s
- Q3invisible layer that forms on surface of water due to polarity; ex: some organisms can walk on water because of thissurface tension30s
- Q4how tightly packed the atoms of a substance are; ex: solid water (ice) is less dense than liquid water and so it floatsdensity30s
- Q5how well something dissolves; ex: sugar is very soluble in water since it dissolves very easilysolubility30s
- Q6substance that can dissolve many things; ex: water can dissolve many thingsuniversal solvent30s
- Q7has BOTH carbon (C) and hydrogen (H); ex: most things we study in biology class are organicorganic30s
- Q8DOES NOT have both Carbon (C) and (H); may have one or the other or neither; ex: water and minerals are the 2 main things we learn about in biology class that are inorganicinorganic30s
- Q9inorganic and needed in small amounts for life; ex: salt (NaCl), iron (Fe), calcium (Ca), Flourine (F), Zinc (Zn)mineral30s
- Q10measure of how acidic or basic a substance is; scale goes from 0 - 14pH30s
- Q11substance that has a low pH - any pH lower than 7acid30s
- Q12substance that has a high pH - any pH higher than 7base30s
- Q13substance with a pH of 7; ex: waterneutral30s