Chemistry

        In Chemistry, we tested different cars on how polluted they are using bottles covered with petrolium jelly.

Here are the results:

      1. 1997 Toyota Crown 3000cc Petrol
           Result->  Grey

        

   

     

      2. 2010 Isuzu Panther 2500cc Diesel
          Result-> Black

           

      3. 2007 Isuzu Elf 2800cc Diesel
         Result->Very Black

          

    

       4. 2009 Toyota Avanza 600cc Petrol
           Result-> Grey