Metals Quiz

What are the physical properties of metals?

• High melting and boiling point

• Cannot conduct heat and electricity

• Low melting and boiling point

• Hard and brittle

Why are alloys harder than pure metals?

• Alloys are softer than pure metals

• Alloys have different sized atoms that distort the layers in the structure

• Alloys are made from only one type of metal

• Alloys have a regular arrangement of equally sized positive metal ions

Which metal is the most reactive in the reactivity series?

• Gold

• Copper

• Zinc

• Potassium

What does aluminium react with in the air to form a coating that makes it less reactive?

• Aluminium sulfate

• Aluminium nitrate

• Aluminium chloride

• Aluminium oxide

What is the extraction method for zinc?

• No extraction needed

• Heating with carbon or carbon monoxide

• Reduction by electrolysis

• Reacting with steam

Which metal reacts very strongly with dilute HCl to produce hydrogen?

• Zinc

• Calcium

• Iron

• Sodium

What is the extraction method for copper?

• No extraction needed

• Heating with carbon or carbon monoxide

• Reacting with steam

• Reduction by electrolysis

Which metal does not react with air, water, or dilute HCl?

• Gold

• Lead

• Silver

• Copper

What is the reaction of sodium with water?

• React with cold water to produce hydrogen

• React with steam when heated to produce hydrogen

• Do not react with water

• React slowly to form oxide layer when heated

What is the reaction of magnesium with dilute HCl?

• React very strongly to produce hydrogen

• React less strongly to produce hydrogen

• React with cold water to produce hydrogen

• Do not react with dilute HCl