State true or false.

Aluminium and magnesium are two metals which will displace hydrogen from dilute acids.

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True

False

answer is A.

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Detailed Solution

The given statement is true.
concept - The reactivity series is an arrangement of metals in descending order of the reactivity they represent.
Some metals are placed below the hydrogen and some metals are placed above the hydrogen in that reactivity series. The metals below the hydrogen atom are less reactive than hydrogen and metals above the hydrogen are more reactive than hydrogen.
Thus, any other metal placed above hydrogen can displace hydrogen from dilute acids.
As aluminium, and magnesium are more reactive than hydrogen as per the reactivity series, that means they are capable of displacing hydrogen from dilute acids.
Thus, the given statement is true.
Hence, the correct option is (1).

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