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WorksheetsMetals Revision
Total questions: 25
Worksheet time: 50mins
How are more reactive metals found in the Earth's crust?
Rock
Ore
Dust
Pure/Uncombined
How could you extract a metal from an ore?
Use heat
Use water
Break it open
You don't
What method could you use to spilt a compound back into it's individual elements?
Heating
Condensation
Electrolysis
Electroplating
Metals that are good at transferring heat are....
Thermal Conductors
Electrical Conductors
Malleable
Ductile
Metals that are easily made into wires are...
Electrical Conductors
Malleable
Ductile
Thermal Conductors
What property do all metals have?
They are soluble in water.
They conduct electricity.
They have low melting points.
They have low densities.
Which metal would be the best to make the body of an aircraft?
Resistance to corrosion: high
Density: high
Resistance to corrosion: High
Density: low
Resistance to corrosion: low
Density: high
Resistance to corrosion: low
Density: low
An excess of iron filings is added to a solution containing a mixture of the ions Mg2+, Ca2+, Cu2+ and Ag+.
Which two metals will be displaced from this solution?
Calcium and copper
Copper and silver
Calcium and magnesium
Magnesium and silver
Three experiments to investigate the reactivity of three metals are shown.
What is the correct order of reactivity for these three metals?
(from most reactive to least reactive)
Chromium, Manganese, Nickel
Manganese, Chromium, Nickel
Manganese, Nickel, Chromium
Nickel, Chromium, Manganese
Four experiments on rusting are shown.
Which two experiments can be used to show that air is needed for iron to rust?
1 and 3
1 and 4
2 and 3
2 and 4
The steel bodies of cars can be protected from rusting by spraying them with zinc.
Why is zinc used?
Zinc does not react with acidic exhaust fumes.
Zinc forms a stable compound with iron.
Zinc has a high melting point.
Zinc is higher in the reactivity series than iron.
Process of coating metals with zinc is called (a)
Reactivity of metal towards oxygen increases down the reactivity series of metal diagram
True
False
Magnesium is more reactive towards oxygen compared to
Calcium
Zinc
Sodium
Potassium
The most reactive metal in the reactivity series of metals is ______________.
Calcium
Potassium
Magnesium
Aluminium
Aluminium + Iron oxide -->
aluminium
oxide
aluminium oxide and iron
iron
gold + copper iodide-->
gold iodide and copper
No reaction
gold copper
gold iodide
sodium + potassium nitrate-->
sodium potassium
sodium nitrate
no reaction
sodium nitrate and potassium
Which metals rusts?
Copper
manganese
iron
potassium
What environmental element assists rusting?
nitrogen
oxygen
carbon
hydrogen
What is the chemical name given to Rust ?
Iron dioxide
Iron oxide
Steel oxide
Carbon dioxide
What prevents Rusting
Painting , Oiling , Galvinising
Washing with water
Which diagram shows the most favourable conditions for rust to appear on the nail?
A
B
C
D
Which of the following is / are examples of sacrificial protection against rusting?
(1) Iron object coated with tin
(2) Underground iron pipes connected to magnesium bars
(3) Iron railings coated with paint
(1) only
(2) only
(1) and (3) only
(2) and (3) only
All alloys are mixtures.
True
False
