📝 Multiple Choice Question
General-science
Select the correct order of the following metals in terms of their increasing reactivities.
A
K,Cu,Mg and Au
B
Au, Mg,Cu and K
C
K,Mg,Cu and Au
D
Au,Cu,Mg and K
Explanation
Reactivity increases from noble metals like Gold (Au) up to highly reactive alkali metals like Potassium (K).
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