Question

Name the metal which
[a] displace hydrogen from acids.
[b] do not displace hydrogen from acids.

Answer 1

(a) Fe(iron), Na(sodium), K(potassium), etc.

(b) Au(gold), Ag(silver), Pl(platinum), etc.

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Answer 2

Answer:

• Metals which can displace hydrogen from acid are potassium, sodium, calcium, zInc because they are more reactive than hydrogen.
• Mercury and Copper are the metals which cannot displace hydrogen from dilute acids because they are less reactive than hydrogen.

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