S3 Metals (U3)

Copper is ductile. This means that it:

• Can be beaten into different shapes.

• Can be drawn into wires.

• Will burn easily.

• Is a good conductor.

What is missing from the word equation?

? + oxygen ----> copper oxide

• Copper

• Water

• Oxygen

• Hydrogen

A metal prevents iron from rusting. What could the metal be?

• Copper

• Iron

• Tin

• Magnesium

Which pair of metals produce the highest voltage when connected in a cell?

• Lithium and Copper

• Lithium and Iron

• Magnesium and Aluminium

• Lead and Tin

Which metal reacts with water, acid and oxygen?

• Calcium

• Magnesium

• Iron

• Copper

What is brass an example of?

• An element.

• A compound.

• An alloy.

• None.

How does paint prevent rusting?

• Prevents oxygen reacting with iron.

• Prevents water reacting with iron.

• It only makes it look nicer.

• Prevents water and oxygen reacting with iron.

Which metal can be extracted by heat alone?

• Copper

• Silver

• Lithium

• Lead

How can elements above zinc be extracted from their ores?

• Heat.

• Heating with carbon.

• Electrolysis.

• They are uncombined in the earth's crust.

Which metal is used to galvanise iron?

• Aluminium

• Zinc

• Tin

• Magnesium