What are reactants?

what are products?

What is endothermic?

give an example for an endothermic reaction?

what are the four steps you need to follow to write a chemical reaction?

what is the law of conservation of MASS?

what is photosynthesis?

what is the sugar that plants form called?

WHAT IS THE CHEMICAL FORMULA for glucose ?

WHAT DOES CARBON DIOXIDE + WATER MAKE ?

when does COMBUSTION occur ?

what is combustion reaction?

what is corrosion ?

who is brother oussama magar?