Sec 4 chem Metals and reactivity series

Which metal has the highest tendency to be a positive ion?

• zinc

• magnesium

• iron

• calcium

Select all the metals that react with cold water.

• Zinc

• Magnesium

• Calcium

• Iron

• Aluminium

Which two metals that react with steam but NOT with cold water?

• magnesium

• zinc

• copper

• iron

• silver

Rank the order of reactivity of the metals: A,B,C and D

• (most reactive) C > B > D > A

• (most reactive) A > D > B > C

• (most reactive) B > A > D > C

• (most reactive) A > C > D > B

Which option is correct?

• A

• B

• C

• D

What happens when zinc foil is placed in an aqueous solution of copper(II) sulfate?

• Copper(II) ions are oxidised.

• There is no reaction.

• Zinc atoms are oxidised.

• Zinc sulfate is precipitated.

Decide if the following statement is true or false.

"Carbon can displace copper from aqueous copper(II) sulfate."

• True

• False

Decide if the following statement is true or false.

"The more reactive the metal, the faster the decomposition of its carbonate."

• True

• False

Which option is correct?

• A

• B

• C

• D

Rank the order of the metals starting with the most reactive.

• (most reactive) V > X > Y > Z > U

• (most reactive) U > Z > Y > X > Y

• (most reactive)Y > X > V > Z > U