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5 Written questions

5 Matching questions

  1. Concentration
  2. Semipermeable membrane
  3. Hydrolysis
  4. Isomers
  5. Diffusion
  1. a A membrane that allows some molecules to pass through but does not allow other molecules to pass through.
  2. b A measurement of how much solute exists within a certain volume of solvent.
  3. c Breaking down complex molecules by the chemical addition of water.
  4. d Two different molecules that have the same chemical formula.
  5. e The random motion of molecules from an area of high concentration to an area of low concentration.

5 Multiple choice questions

  1. The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration.
  2. Chemicals that result from atoms linking together.
  3. A chemical reaction in which molecules combine by removing water.
  4. The process by which living organisms produce larger molecules from smaller ones.
  5. A lipid made from fatty acids that have no double bonds between carbon atoms.

5 True/False questions

  1. CatalystA substance that alters the speed of a chemical reaction but is not used up in the process.


  2. Unsaturated fatA lipid made from fatty acids that have at least one double bond between carbon atoms.


  3. PolysaccharidesSimple carbohydrates that contain 3 to 10 carbon atoms.


  4. DisaccharidesCarbohydrates that are made up of two monosaccharides.


  5. Hydrogen bondLacking any affinity to water.