G8-PHY-L6 Metals and Non-Metals

What property of metals allows them to be beaten into thin sheets?

• Malleability
• Ductility
• Sonority
• Conductivity

Which of the following materials is a good conductor of heat and electricity?

• Coal
• Sulphur
• Aluminium
• Pencil lead

Which of the following oxides is basic in nature?

• Copper oxide
• Silicon dioxide
• Magnesium oxide
• Sulphur dioxide

Which metal can displace copper from copper sulfate solution?

• Sodium
• Zinc
• Iron
• Magnesium

Why are metals used to make machinery and cooking utensils?

• They are malleable
• They are ductile
• They are sonorous
• They are good conductors

What property of non-metals allows them to be broken down into a powdery mass on tapping?

• Hardness
• Sonority
• Ductility
• Brittleness

Which of the following is an example of a displacement reaction?

• Zinc reacting with hydrochloric acid
• Sulphur burning in air
• Sodium reacting with water
• Zinc replacing copper in copper sulphate

Why is phosphorus stored in water?

• To prevent it from reacting with air
• To make it more reactive
• To make it less dense
• To dissolve it

Which of the following is an example of a non-metal?

• Iron
• Copper
• Aluminium
• Sulphur

What does the 'pop' sound indicate when a metal reacts with an acid?

• Formation of oxygen gas
• Formation of hydrogen gas
• Formation of a salt
• Formation of a base