S3 Metals revision

Which of these is an alloy?

• Iron

• Brass

• Manganese

• Nickel

Which metal can be extracted by heat alone?

• Lead

• Aluminium

• Mercury

• Nickel

Which of the following solutions will react with magnesium?

• Lithium chloride

• Calcium chloride

• Magnesium chloride

• Zinc chloride

Which of the following cells would produce the highest voltage with the Cu?

• Mg

• Zn

• Cu

• Pb

In the cell shown, electrons flow through:

• the solution from copper to zinc

• the solution from zinc to copper

• the connecting wire from copper to zinc

• the connecting wire from zinc to copper

The following statements relate to four different metals, P, Q, R and S.

- Metal Q displaces metal P from a solution.

- In a cell, electrons flow from metal S to metal P.

- Metal R is the only metal which can be obtained from its ore by heat alone.

The order of reactivity of the metals, starting with the most reactive is (1 Point)

• R, S, Q, P

• Q, R, P, S

• S, Q, P, R

• S, P, Q, R

A student investigated the electrical conductivity of different materials. Does the bulb light when metal is tested?

• Yes

• No

The use of a metal depends on its properties.

Name a metal used for pipes

Select a metal used for wires

• magnesium

• zinc

• copper

• silver

A teacher demonstrated the following experiment. Describe what would be observed if the experiment was repeated using magnesium.