Metals and Their Extraction

What are rocks that you can extract metals from called?

• Minerals

• Ores

• Crystals

• Sediments

What is the environmental impact of digging up rocks to extract metals?

• Increased plant growth

• Increased rainfall

• Habitat loss

• Decreased air pollution

What is the process of taking out metals from rocks called?

• Smelting

• Refining

• Mining

• Extraction

What is a displacement reaction used for in metal extraction?

• To purify metals

• To extract metals from their compounds

• To create alloys

• To bond metals

Which element is used in displacement reactions to extract metals?

• Oxygen

• Hydrogen

• Carbon

• Nitrogen

What is the by-product of extracting iron from iron oxide using carbon?

• Carbon dioxide

• Carbon monoxide

• Oxygen

• Water

Which metal can be extracted using carbon in a displacement reaction?

• Mercury

• Iron

• Platinum

• Gold

Why is it important to recycle metals?

• To increase metal quality

• To reduce environmental impact

• To save money

• To create new alloys

What is the reactivity series used for?

• To classify metals by color

• To identify metal properties

• To determine metal prices

• To know which reactions to use for extraction

Why don't we need to do a displacement reaction to extract gold?

• Gold is too rare

• Gold is unreactive

• Gold is too expensive

• Gold is too heavy