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5 Written questions

5 Matching questions

  1. Carbohydrates
  2. Buffer
  3. Lipids
  4. Bases
  5. Elements
  1. a Unique substances that cannot be broken down into simpler substances by ordinary chemical methods.
  2. b Regulates the acid base balance in the body.
  3. c Hydroxides ionize and dissociate in water releasing hydroxyl ions (OH-)
  4. d Contain carbon, hydrogen and oxygen.
  5. e A large group of organic compounds - contain carbon, hydrogen and oxygen with more carbon and hydrogens than oxygens.

5 Multiple choice questions

  1. Occurs when a molecule is broken down into smaller molecules, atoms or ions. AB->A+B
  2. Atomic particles with a positive charge.
  3. Determine what type of or
  4. A water molecule is lost and forms a bond.
  5. the liquid in which a solute is dissolved to form a solution.

5 True/False questions

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

          

  2. IonsCharged particles

          

  3. solutiona homogenous mixture of two or more components.

          

  4. proteinsAtomic particles with a positive charge.

          

  5. Covalent BondExtremely weak bonds formed when a hydrogen atom binds to one electron hungry nitrogen or oxygen atom is attracted to another electron hungry atom and a bridge if formed between them.