Reactivity Series and Displacement Reactions

Why is magnesium more suitable than zinc for displacing other metals?

• Magnesium is less reactive

• Magnesium is higher in the reactivity series

• Magnesium forms stable oxides

• Zinc is more expensive

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which metal can displace zinc from zinc sulfate solution?

• Copper

• Iron

• Magnesium

• Silver

What happens when calcium reacts with copper sulfate solution?

• No reaction occurs

• Calcium sulfate and copper are formed

• Calcium displaces copper, forming calcium nitrate

• Copper remains unchanged

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of these metals is extracted by displacement using zinc sulfate?

• Iron

• Lead

• Gold

• Calcium

Tags

NGSS.MS-PS1-5

Which of the following explains why gold does not corrode in moist air?

• Gold is highly reactive

• Gold is less reactive than oxygen

• Gold reacts only with acids

• Gold is unreactive due to its position in the reactivity series

Which metal will not displace iron from iron sulfate solution?

• Zinc

• Magnesium

• Copper

• Calcium

Tags

NGSS.MS-PS1-2

What is the observation when magnesium reacts with silver nitrate solution?

• Formation of silver and magnesium nitrate

• No reaction

• Formation of magnesium oxide

• Silver nitrate remains unchanged

Tags

NGSS.MS-PS1-2

In the reactivity series, which metal is most reactive?

• Gold

• Copper

• Calcium

• Silver

What is formed when zinc reacts with copper(II) chloride solution?

• Zinc chloride and copper

• Copper zincate

• Zinc and copper chloride

• No reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the balanced equation for the reaction of magnesium with hydrochloric acid?

• Mg + HCl → MgHCl

• Mg + 2HCl → MgCl₂ + H₂

• MgCl₂ + H₂ → Mg + Cl₂

• Mg + HCl → MgH₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5