C5 - Chemical Changes Flashcards
What is the most reactive element in the reactivity series?
Potassium
What is the least reactive element in the reactivity series?
Platinum
What will happen if a more reactive metal reacts with a less reactive metal?
The more reactive metal will displace the less reactive metal
What happens when an acid reacts with a metal?
They produce a salt and hydrogen gas
What happens when an acid reacts with a metal oxide?
They produce salt and water
What happens when an acid reacts with a metal carbonate?
They produce salt, water and carbon dioxide
What is an acid?
A substances that releases hydrogen (H+) ions when dissolved in water
What is the defenition of an alkali?
A substance that produces hydroxide ions (OH-) when dissolved in water