Displacement Reactions (Reactivity of Metals)

Which metals have low reactivity?

• Potassium and Magnesium

• Zinc and Magnesium

• Platinum and Gold

• Potassium and Zinc

Which group of metals does potassium belong to?

• Alkaline earth metals

• Transition metals

• Alkali metals

• Noble gases

Which metal is extracted by metal oxide reduction with carbon?

• Iron

• Gold

• Mercury

• Platinum

Which metal is more reactive: Tin or Mercury?

• Tin

• Mercury

• Both are equally reactive

• Neither is reactive

Which metal is more reactive: Barium or Gold?

• Barium

• Gold

• Both are equally reactive

• Neither is reactive

Which of the following is a characteristic of a reactive metal?

• Gains electrons easily

• Loses electrons easily

• Does not react with water

• Has a high melting point

Which metal is positioned between Aluminium (Al) and Iron (Fe) in terms of reactivity in this reactivity series?

• Zinc (Zn)

• Nickel (Ni)

• Tin (Sn)

• Lead (Pb)

In the diagram, which metal is initially in the solution?

• Iron (Fe)

• Copper (Cu)

• Zinc (Zn)

• Silver (Ag)

Which element is more reactive than zinc but less reactive than magnesium?

• Aluminium

• Iron

• Copper

• Lead

Which element is directly above copper in the activity series?

• Lead

• Iron

• Zinc

• Hydrogen