Y8 Extracting metals

Which extraction method would be used for Zinc?

• Electrolysis

• Reduction with carbon

• None - it is a native metal

Which extraction method would be used for Sodium?

• Electrolysis

• Reduction with carbon

• None - it is a native metal

Which extraction method would be used for gold?

• Electrolysis

• Reduction with carbon

• None - it is a native metal

Which method involves using bacteria to extract metal?

• Phytomining

• Bioleaching

• Electrolysis

• Reduction

Which method involves using plants to extract metal?

• Phytomining

• Bioleaching

• Electrolysis

• Reduction

A high grade ore is one that contains a _________ amount of metal.

• small

• large

Phytomining and bioleaching are used for _____ grade ores.

Which is the correct definition of a native metal?

• A metal which is highly reactive and is found naturally in the ground

• An unreactive metal found naturally in the ground

• A reactive metal found naturally in the ground

• A metal found in a rock called an ore