Metals and Ores Quiz

What are metal-bearing rocks called?

• Minerals

• Ores

• Crystals

• Sediments

What process is used to obtain metals from raw ores?

• Refining

• Smelting

• Distillation

• Fermentation

What is mixed with raw ore in the smelting process?

• Water

• Charcoal

• Sand

• Oil

What is the temperature required to extract copper from its ore?

• 900°C

• 1100°C

• 1500°C

• 650°C

Which metal requires a temperature of 1500°C for extraction?

• Copper

• Aluminium

• Iron

• Gold

How is aluminium extracted from its ore?

• Smelting

• Electrolysis

• Distillation

• Filtration

What is the name of the aluminium ore shown in the image?

• Hematite

• Bauxite

• Galena

• Chalcopyrite

Which of the following metals can be mined from the earth as pure metals?

• Iron

• Gold

• Aluminum

• Nickel

What are ferrous metals primarily composed of?

• Iron and aluminum

• Iron and carbon

• Iron and copper

• Iron and zinc

What is a characteristic of cast iron?

• It is flexible and soft

• It is hard and brittle

• It is lightweight and ductile

• It is malleable and strong