Calculation of fuse and finding the suitable fuse Calculation of calories in the food Hazardous symbols Apparatus in the laboratory Breathing(inhalation n exhalation) Fractional distillation Hydroponic technique Neutralisation (titration) How does greenhouse effect occurs? Air pollution, acid rain Why can't we watch TV when it is raining? How to preserve fish?
It is just ramalan
The important thing is the hazard symbols n apparatus in the laboratory