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5 Written questions

5 Matching questions

  1. Solvent
  2. Substrate
  3. Cohesion
  4. Acid
  5. Ionic Bond
  1. a The attraction between substances of the same kind.
  2. b What dissolves the solute - usually water
  3. c Bonds formed when atoms transfer electrons
  4. d Compound that Increases the concentration of hydrogen ions (h+) in solution
  5. e The substance on which an enzyme acts during a chemical reaction.

5 Multiple choice questions

  1. A long chain of smaller molecules called nucleotides
  2. A substance made of the joined atoms of two or more different elements.
  3. The number of protons plus the number of neutrons.
  4. Substances made up of only one kind of atom
  5. Substances that increase the speed of chemical reactions ( usually a protein, Lowers activation energy )

5 True/False questions

  1. AdhesionThe attraction between substances of the same kind.

          

  2. IonAn element that has gained or lost one or more electrons.

          

  3. BaseCompound that Reduces the concentration of hydrogen ions (increases (OH-))

          

  4. SolutionA mixture in which one or more substances is evenly distributed in another substance

          

  5. Convalent BondBonds formed when atoms transfer electrons