Reactivity series 5.1
Acid + metal —> salt + hydrogen (eg: hydrochloric acid + sodium —> sodium chloride + hydrogen)
Displacement reactions: more reactive metals displace less reactive ones (eg: potassium + lithium sulphate —> potassium sulphate + lithium)
Reactivity series:
Potassium (K)
Sodium (Na)
Lithium (Li)
Calcium (Ca)
Magnesium (Mg)
Aluminium (Al)
Carbon (C)
Zinc (Zn)
Iron (Fe)
Tin (Sn)