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level: Reactivity

Questions and Answers List

Question	Answer
What is the name of the most reactive element from the following list: K, Na, Ca, Mg	Potassium
What is the name of the most reactive element from the following list: Na, Ca, Mg, Al	Sodium
What is the name of the most reactive element from the following list: Mg, Al, C, Zn	Magnesium
What is the name of the most reactive element from the following list: Al, C, Zn, Fe	Aluminium
What is the name of the most reactive element from the following list: C, Zn, Fe, Sn	Carbon
What is the name of the least reactive element from the following list: C, Zn, Fe, Sn	Tin
Choose the most reactive metal from the following list - Ca, Mg, Al, C	Calcium
What is the name of the least reactive element from the following list: Mg, Al, C, Zn	Zinc
What is the name of the least reactive element from the following list: Al, C, Zn, Fe	Iron
What is the name of the least reactive element from the following list: Ca, Mg, Al, C	Carbon
When carbon mixes with CuO, what is the product?	Carbon dioxide
Why is carbon used to separate some metals from metal oxides?	Carbon is more reactive than some metals.
Why is carbon used to separate metals from metal oxides when other metals are more reactive?	Carbon is less valuable.