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Metal + oxygen ——>
Metal oxide
Metal plus acid ——>
Salt + hydrogen
Metal + water ——>
Metal hydroxide + hydrogen
Displacement reactions meaning
A more reactive metal displaces a less reactive metal from a compound
What is the order of metal reactivity
Potassium, sodium, calcium, magnesium, aluminium, zinc, iron, nickel, tin, lead, copper, mercury, silver, gold, platinum
What is the rhyme for the reactivity
There’s potassium and sodium, calcium, magnesium, aluminium zinc and iron, nickel tin and lead copper, mercury and silver but finally gold and platinum