Worksheetsmetal reactivity and metal extraction
Total questions: 21
Worksheet time: 12mins
what is the name of iron ore?
haematite
chalcopyrite
malachite
argentite
What is the method of extraction for iron ore?
electrolysis
heat only in the blast furnace
heat with carbon in the blast furnace
photolysis
what must be added with iron ore in the blast furnace to start the extraction process ?
coke and lime
coke and lime water
coke and lime stone
coke only
what is the purpose of adding limestone while extracting iron ore?
to remove water from iron ore
to make pig iron
to remove oxygen fro iron oxide
to remove sand from iron ore
During iron extraction, calcium oxide will react with silicon dioxide in iron ore to from ______________.
calcium oxide
calcium chloride
calcium silicate
calcium dioxide
Metal X cannot react with water and acid. But it will react with oxygen to form a protective oxide layer. Which of the following metal is most likely to be metal X?
calcium
aluminium
zinc
copper
What is the name of aluminium ore ?
bauxite
magnitite
aluminite
galena
what is the chemical name of bauxite ?
aluminium carbonate
aluminium dioxide
aluminium hydroxide
aluminium oxide
What is the extraction method for bauxite ?
blast furnace
electrolysis
heat only
hydrolysis
which of the following metals have to be extracted by heating with carbon?
zinc
iron
lead
magnesium
Which of the following metals exist purely on its own ?
gold
zinc
platinum
magnesium
which of the following metals can only be extracted via electrolysis?
sodium
copper
potassium
magnesium
Which of the following metals reacts with steam but not with cold water?
silver
copper
magnesium
zinc
Which of the following metals will react violently with cold water ?
sodium
potassium
calcium
copper
what is the name of silver ore ?
galena
brochantite
malachite
argentite
what is the name of mercury ore ?
haematite
argentite
cinnabar
malachite
what is the name of copper ore ?
haematite
bauxite
argentite
malachite
Copper ore is extracted by...
heating only
electrolysis
No need for extraction
heating with carbon ; and refined with electrolysis
potassium + water -->
potassium sulfate + hydrogen
potassium oxide + hydrogen
potassium hydroxide + hydrogen
potassium nitrate + hydrogen
calcium , magnesium, zinc , iron metal are placed into 4 different test tube with hydrochloric acid.
Which metal produced the most bubbling and why?
magnesium ; because it is the most reactive metal
iron ; because it is the least reactive metal
zinc, because it is the most reactive metal
calcium, because it is the most reactive metal
Which of the following metals does not react with water at all ?
platinum
aluminium
silver
calcium
