Chemical Changes Flashcards
Reactivity series
K,Na,Li,Ca,Mg,Al,C,Zn,Fe,Ni,Sn,Pb,H,Cu,Hg,Ag,Au,Pt
What are rocks that contain metals called?
Ores
What must a happen to a metal for it to be pure
Must be reduced
How is the reactivity series determined?
Observing reactions with water and dilute acid
What is the reaction when a metal pushes out another called
Displacement
What is a displacement reaction
When a more reactive metal pushes out a less reactive metal in a compound
Metal+water——->
Metal Hydroxide+ Hydrogen
Metal + Acid————>
Salt+Hydrogen
Metal+Oxygen———>
Metal Oxide
Ores are only mined when?
The desired metal is abundant enough to be profitable
When does reduction when
When the metal is less reactive than carbon
When does electrolysis happen
When the metal is more reactive than carbon
Why is gold found as an element
It’s native so it doesn’t react to form ores
When is extraction not required
When the metals are native (unreactive)
Is electrolysis or Reduction used for Potassium?
Electrolysis
Is electrolysis or Reduction used for sodium?
Electrolysis
Is electrolysis or Reduction used for calcium?
Electrolysis
Is electrolysis or Reduction used for magnesium?
Electrolysis
Is electrolysis or Reduction used for aluminium?
Electrolysis
Is electrolysis or Reduction used for zinc?
Reduction
Is electrolysis or Reduction used for iron?
Reduction
Is electrolysis or Reduction used for lead?
Reduction
Is electrolysis or Reduction used for copper?
Reduction
Is electrolysis or Reduction used for silver?
Neither the metal is native
Is electrolysis or Reduction used for gold?
Neither the metal is native
Is electrolysis or Reduction used for platinum?
Neither the metal is native
Hydrochloric acid salt
Chloride
Sulfuric acid salt
Sulfate
Nitric acid salt
Nitrate
