Name two metals which will displace hydrogen from dilute acids, and two metals which will not.
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Solution
To understand the metals that can displace
hydrogen from dilute acids, and the metals that
cannot, we have to compare the reactivities of the
respective metals to that of hydrogen using the
reacitvity series.
The metals that are present above hydrogen displace it from an acid. For example: Iron, zinc
The metals that are present below hydrogen cannot displace it from an acid. For example: Copper, silver