Question

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

Answer 1

Iron and aluminium will displace hydrogen from dilute acids as they more reactive then hydrogen. Mercury and copper cannot displace hydrogen from dilute acids as they are less reactive than hydrogen.

Answer 2

Answer: Metals that are more reactive than hydrogen displace it from dilute acids. For example: Iron aluminium sodium and potassium. Metals that are less reactive than hydrogen do not displace it. For example: mercury copper and silver

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