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5 Written questions

5 Matching questions

  1. Electrolytes
  2. Exchange reactions
  3. Hydrolysis
  4. Organic compounds
  5. Inorganic compounds
  1. a Carbon containing compounds.
  2. b A water molecule is added to each bond, the bond is broken and releases simple sugars.
  3. c Substances that conduct an electrical current in solutions.
  4. d Lack carbon and tend to be small, simple molecules.
  5. e Involve both synthesis and decomposition reactions. AB+C->AC+B and AB+CD->AD+CB

5 Multiple choice questions

  1. An atoms outermost electron shell.
  2. Regulates the acid base balance in the body.
  3. the liquid in which a solute is dissolved to form a solution.
  4. number given to an element equal to the number of protons its atoms contain.
  5. When two or more different atoms bind together to form a molecule.

5 True/False questions

  1. Adenosine triphospate (ATP)functional proteins that act as biological catalysts. A catalyst is a substance that increases the rate of a chemical reaction without becoming part of the product or being changed itself.


  2. CarbohydratesContain carbon, hydrogen and oxygen.


  3. proteinsthe main building material of all cells.


  4. Chemical reactionOccur when two or more atoms or molecules combine to form a larger, more complex molecule. A+B->AB


  5. solutea homogenous mixture of two or more components.