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5 Written questions

5 Matching questions

  1. Disaccharides
  2. Phase
  3. Saturated fat
  4. Molecules
  5. Hydrogen bond
  1. a A strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules.
  2. b A lipid made from fatty acids that have no double bonds between carbon atoms.
  3. c Carbohydrates that are made up of two monosaccharides.
  4. d Chemicals that result from atoms linking together.
  5. e One of three forms - solid, liquid, or gas - which every substance is capable of attaining.

5 Multiple choice questions

  1. A change that affects the appearance but not the chemical make-up of a substance.
  2. Lacking any affinity to water.
  3. Carbohydrates that are made up of more than two monosaccharides.
  4. The process by which living organisms produce larger molecules from smaller ones.
  5. Breaking down complex molecules by the chemical addition of water.

5 True/False questions

  1. ModelAn explanation or representation of something that cannot be seen.

          

  2. Peptide bondA strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules.

          

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

          

  4. MatterAnything that has mass and takes up space.

          

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

          

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