A chemical equation equation is a brief equation of a chemical reaction it can express a chemical reaction in a single line it can give us information about the elements or co â¦ mpounds which are reacting or decomposing it also tells us about the states of reactants and the product
an obstacle on a golf course, as a sand trap or pond; Court Tennis any of the three openings on the side (hazard side) of the court in which service is received; Origin of hazard. Middle English from Old French hasard, game of dice, adventure from uncertain or unknown; perhaps Arabic az-zahr, for Egyptian colloquial Arabic al-zahr, dice
There are many definitions for hazard but the more common definition when talking about workplace health and safety is: A hazard is any source of potential damage, harm or adverse health effects on something or someone under certain conditions at work.ometimes a hazard is referred to as being the actual harm or the health effect it caused rather than the hazard. For example, the disease tuberculosis (TB) might be called a hazard by some but in general the TB-causing bacteria would be considered the hazard or hazardous biological agent.