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- Multiple ChoicePlease save your changes before editing any questions.What is an ore?a solid metala rock cantaining a metal combined with other elementsan elementan object used to row a boat
- Multiple ChoicePlease save your changes before editing any questions.Which of these elements is unlikely to be found native?goldplatinumaluminiumsilver
- Multiple ChoicePlease save your changes before editing any questions.What is the removal of oxygen from a substance called?reductionextractionelectrolysisoxidation
- Multiple ChoicePlease save your changes before editing any questions.Which element cannot be extracted from its ore by reduction with carbon?ironaluminiumcopperlead
- Multiple ChoicePlease save your changes before editing any questions.Which series is used to predict the reactions of metals with carbon and other elements?reactionary seriesreaction seriesredox seriesreactivity series
- Multiple ChoicePlease save your changes before editing any questions.What is the name of the process that uses electricity to separate the elements in a compound?reductionelectrolysisextractionmining
- Multiple ChoicePlease save your changes before editing any questions.How could you extract sodium from molten sodium chloride?reduction by carbonelectrolysisdecompositionoxidation
- Multiple ChoicePlease save your changes before editing any questions.
How would you extract iron from haematite (iron ore)?
reduction with carbon
electrolysis
decomposition
oxidation
- Multiple ChoicePlease save your changes before editing any questions.A method of extracting metals from their ores that are more reactive than carbon.carbon extractionfractional distillationelectrolysiscracking
- Multiple ChoicePlease save your changes before editing any questions.
How would you extract silver?
Heating with coke
Electrolysis
The blast furnace
Silver is found uncombined
- Multiple ChoicePlease save your changes before editing any questions.
How would you extract potassium?
Heating with carbon
The blast furnace
Potassium is found uncombined
Electrolysis