The word displace means to push out. A more reactive element can displace a less reactive element out of its compound during a chemical reaction. Displacement reactions can be used to investigate the ...

Chemical Reactions: A chemical reaction is a process where the substances 8unbdergo a change in their chemical composition. The substances that enter the reaction are called reactants that are then ...

Six-mark questions are extended open response questions. These require longer answers than the structured questions. It is wise to plan your answer rather than rushing straight into it, otherwise you ...