RPAScience Metal Extraction

What is an ore?

• a solid metal
• a rock cantaining a metal combined with other elements
• an element
• an object used to row a boat

Tags

NGSS.MS-PS1-1

What is the removal of oxygen from a substance called?

• reduction
• extraction
• electrolysis
• oxidation

Which series is used to predict the reactions of metals with carbon and other elements?

• reactionary series
• reaction series
• redox series
• reactivity series

Give one way that CO2 emissions can be reduced when manufacturing a plastic bottle?

• use recycled plastic
• recycle the bottle
• use thicker plastic
• burn it afterwards
• sell it locally

Give an advantage of recycling copper ore

• Increases greenhouse gases
• More jobs for miners
• Increases landfill
• Conserves copper ore
• Requires more energy

Which is not a reason why biological methods are used to extract metals?

• Cheaper
• Ores are becoming scarce
• Low grade ore can be used
• Mining not required
• Produces less greenhouse gases

Which of these do bioleaching and phytomining have in common?

• Done by bacteria
• Done by plants
• Involves burning
• Slow process
• Done on contaminated land

Which is a method of water treatment?

• Anaerobic digestion
• Cracking
• Electrolysis
• Phytomining
• Desalination

Using plants to extract metals is called….

• phytomining
• photosynthesis
• polymerisation
• bioleaching
• bioaccumulation

Using bacteria to extract metals is called….

• phytomining
• photosynthesis
• polymerisation
• bioleaching
• bioaccumulation