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10 questions from this quiz
Metals by chemical reactivity
K\text{K}K (potassium)
To show which metals displace H2\text{H}_2H2
Displacement reaction occurs
Yes, Fe is more reactive than Cu
No, Cu is less reactive than Fe
K, Na, Li, Ca, Ba\text{K, Na, Li, Ca, Ba}K, Na, Li, Ca, Ba only
Separating metals of equal reactivity
Blue fades to pale green
Cu, Ag, Pt, Au\text{Cu, Ag, Pt, Au}Cu, Ag, Pt, Au
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