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Metals1
Question | Answer |
---|---|
What are ores? | Rocks which contain enough mental to make it economic to extract. |
The method of extraction of a metal depends on what? | It depends on the position of the metal in the reactivity series. |
What are three good sources of carbon? | Coke, charcoal and wood. |
How are sodium and calcium extracted for their ores? | Using electrolysis. |
What is the process of extracting copper known as? | Smelting |
How is copper purified after the initial process of extracting? | By electrolysis |
Two ways of extracting copper from low-grade ores. | Phytomining and bioleaching |
Three main uses of copper. | Wiring, coins, pipes. |
What are alloys? | Mixtures of metals. |
What are smart alloys? | alloys that return to their original shape when bent. |
what are the most useful metals in the Periodic Table? | Transition Metals |
Why is Aluminium useful? | It has a very high melting point, it doesn't corrode and its strong. |