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5 Written questions

5 Matching questions

  1. Hydrogen bond
  2. Phase
  3. Osmosis
  4. Unsaturated fat
  5. Matter
  1. a Anything that has mass and takes up space.
  2. b A strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules.
  3. c A lipid made from fatty acids that have at least one double bond between carbon atoms.
  4. d The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration.
  5. e One of three forms - solid, liquid, or gas - which every substance is capable of attaining.

5 Multiple choice questions

  1. A substance that alters the speed of a chemical reaction but is not used up in the process.
  2. Chemicals that result from atoms linking together.
  3. Lacking any affinity to water.
  4. Two different molecules that have the same chemical formula.
  5. The random motion of molecules from an area of high concentration to an area of low concentration.

5 True/False questions

  1. ElementTwo different molecules that have the same chemical formula.


  2. BiosynthesisThe process by which living organisms produce larger molecules from smaller ones.


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


  4. HydrolysisLacking any affinity to water.


  5. Organic moleculeChemicals that result from atoms linking together.


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