Reactivity and Solutions

Which of the following is MOST reactive?

• Magnesium

• Lead

• Tin

• Copper

• Zinc

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which metal is more reactive than calcium?

• magnesium

• potassium

• silver

• aluminum

Choose the least reactive metal

• calcium

• magnesium

• iron

• copper

What does displacement mean?

• A chemical reaction where a less reactive metal takes the place of a more reactive metal in a compound.

• A chemical reaction where a more reactive metal takes the place of a less reactive metal in a compound.

• A more reactive metal is removed from a compound.

Magnesium chloride + Sodium → ?

• Sodium chloride + Magnesium

• Magnesium chloride + Sodium (No change)

• Sodium magnesium + Chlorine

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Lithium chloride + Iron → ?

• Lithium chloride + Iron (No change)

• Iron chloride + Lithium

• Lithium oxide + hydrogen

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Zinc sulphate + Magnesium → ?

• Magnesium + Sulphur + Hydrogen

• Zinc sulphate + Magnesium

• Magnesium sulphate + Zinc

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Iron nails + copper oxide → ?

• Iron nails + copper oxide

• Iron oxide + copper oxide

• Iron oxide + copper

• Magic

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is arranged according increasing reactivity?

• Mg > Li > Na > K
• Mg > Na > Li > K
• Na > Li > Mg > K
• K > Mg > Na > Li

Which one of the following equations correctly represents the reaction of silver nitrate with copper metal?

• CuNO₃(aq) + Ag(s) → Cu(s) + AgNO₃(aq)
• Cu(s) + 2 AgNO₃(aq) → Cu(NO₃)₂(aq) + 2 Ag(s)
• Cu(s) + AgNO₃(aq) → CuNO₃(aq) + Ag(s)
• Cu(s) + Ag(NO₃)₂(aq) → Cu(NO₃)₂(aq) + Ag(s)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2