Name two metals which will displace hydrogen from dilute acids,and two metals which will not.

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(N/A) Metals that are more reactive than hydrogen in the reactivity series can displace it from dilute acids. Examples of such metals are $Sodium$ $(Na)$ and $Magnesium$ $(Mg)$.
Metals that are less reactive than hydrogen cannot displace it from dilute acids. Examples of such metals are $Copper$ $(Cu)$ and $Silver$ $(Ag)$.

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