Chemical Reactions and Equations

12345678910
Across
  1. 2. The substance that are formed as a result of chemical reaction.
  2. 6. A chemical equation which contains an equal number of atoms of each element on both side of the equation.
  3. 7. Double displacement are __________ in nature.
  4. 8. A process which involves gain of hydrogen or loss of oxygen.
  5. 9. Formation of nitric oxide from nitrogen and oxygen at 3000 C is an example of _______ reaction.
  6. 10. The oxidation of fats and oils in a food resulting into an unpleasant smell and taste.
Down
  1. 1. A chemical ________ is a symbolic representation of a chemical change.
  2. 3. The substance which take part in a chemical reaction.
  3. 4. A process which involves gain of oxygen or loss of hydrogen.
  4. 5. ____________ reaction are oxidation reactions and are of exothermic nature.