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Chemistry
6th -
9thgrade
KS3 Chapter 3.1- 3.6 Metals to impacts of metal extraction
48 questions
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- 1. Multiple ChoiceWhat is an ore?a solid metala rock cantaining a metal combined with other elementsan elementan object used to row a boat
- 2. Multiple ChoiceWhich of these elements is unlikely to be found native?goldplatinumaluminiumsilver
- 3. Multiple ChoiceWhat is the removal of oxygen from a substance called?reductionextractionelectrolysisoxidation
- 4. Multiple ChoiceWhich element cannot be extracted from its ore by reduction with carbon?ironaluminiumcopperlead
- 5. Multiple ChoiceWhich series is used to predict the reactions of metals with carbon and other elements?reactionary seriesreaction seriesredox seriesreactivity series
- 6. Multiple ChoiceWhat is the name of the process that uses electricity to separate the elements in a compound?reductionelectrolysisextractionmining
- 7. Multiple Choice
How would you extract iron from haematite (iron ore)?
reduction with carbon
electrolysis
decomposition
oxidation
- 8. Multiple ChoiceA method of extracting metals from their ores that are more reactive than carbon.carbon extractionfractional distillationelectrolysiscracking
- 9. Multiple Choice
How would you extract silver?
Heating with coke
Electrolysis
The blast furnace
Silver is found uncombined
- 10. Multiple Choice
How would you extract potassium?
Heating with carbon
The blast furnace
Potassium is found uncombined
Electrolysis
- 11. Multiple Choice
What does it mean by extraction of metals?
the process of determining which metal to extract based on reactivity series of metals
the process to separate metals from non-metals from
their ores
the process to obtain metals such as iron from
their ores
the process to get rid of metals such as iron
- 12. Multiple Choice
For metals lower than carbon in the reactivity series of metals, the extraction of the metal from its ore is through ______________________________.
reduction of its oxide
with carbon
oxidation of its oxide with carbon
electrolysis
direct heating of the
metallic compounds
- 13. Multiple Choice
A mixture of concentrated _____________, ____________ and ____________ is added into a blast furnace through the top of a blast furnace.
oxygen
iron oxide
coke
limestone
- 14. Multiple Choice
Coke or carbon reacts with oxygen in the hot air to produce carbon dioxide and heat.
Carbon + oxygen -> carbon dioxide
Then, the carbon dioxide reacts with the rest of the hot coke to produce _________________.
carbon monoxide and iron
carbon dioxide and hydrogen
carbon monoxide
carbon dioxide and heat
- 15. Multiple Choice
Smelting is when the mineral being mined is
isolated
heated or reacted with carbon
reclaimed
extracted using electricity
- 16. Multiple ChoiceCompared to mining for materials 100 or even 50 years ago, minerals areeasier to accessmore difficult to accessfound only in national parksusually accessed by strip mining
- 17. Multiple Choice
What happens when CO2 is bubbled through limewater
It changes from pink to blue
It goes pop
It goes cloudy
It gets hot
- 18. Multiple Choice
______________ (+ heat) → zinc oxide + carbon dioxide
zinc carbonate
zinc oxide
zinc dioxide
zinc hydrogen carbonate
- 19. Multiple Choice
Why does thermal decomposition need heat energy
to make magic
to break bonds
to make water
to work as a catalyst
- 20. Multiple ChoiceThermal decomposition is also known asbreaking apart by heatingheating and buildingbreaking apart by coolingcooling and building
- 21. Multiple Choice
For the following chemical reaction, decide which type of reaction it is. magnesium carbonate magnesium oxide + carbon dioxide
Displacement reaction
Combustion
Thermal decomposition
Oxidation
- 22. Multiple Choice
Which of the following the most reactive in dilute acid
magnesium
calcium
aluminum
zinc
- 23. Multiple Choice
Which metal reacts slowest with acid?
Copper
Iron
Zinc
Magnesium
- 24. Multiple Choice
Choose the correct sequence.
.............. , ............ , .........
----------------------------------->
Reactivity towards oxygen increases
Silver , Copper , Tin
Iron , Lead , Mercury
Magnesium , Aluminium , Calcium
Iron , Carbon , Lead
- 25. Multiple ChoiceA displacement (single replacement) reaction will occur when...a more reactive metal displaces a less reactive metal from its compound.A less reactive metal displaces a more reactive metal from its compoundDisplacement only occurs when two of the same metals are reactedDisplacement reactions will only occur in metals above iron in the reactivity series
- 26. Multiple Choice
Synthesis
Decomposition
Displacement
Reduction-Oxidation
Combustion
- 27. Multiple Choice
ZnSO4
CuSO4
ZnSO
ZnSO3
- 28. Multiple Choice
Mining is the extraction of valuable minerals or other geological materials from the Earth
True
False
- 29. Multiple Choice
Where is the deepest mine in the world?
Australia
Brazil
South Africa
China
- 30. Multiple Choice
The name of the huge oven where iron is extracted is known as ___.
A blast furnace
A Hydron Collider
A Satellite
An oil refinery
- 31. Multiple ChoiceWhich gas is produced as a waste product when iron is extracted from its ore in the blast furnace?Carbon dioxideHydrogenNitrogenOxygen
- 32. Multiple Choice
Which of these metals requires the least energy to be separated from its ore?
copper
lead
potassium
aluminium
- 33. Multiple Choice
Which method of metal extraction is used to extract zinc, and why? Select one method and one reason.
carbon reduction
electrolysis
Zinc is less reactive than carbon.
Zinc is more reactive than carbon.
- 34. Multiple Choice
Which method of metal extraction is used to extract lead?
carbon reduction
electrolysis
- 35. Multiple Choice
What is the correct word equation for extracting copper from copper oxide?
equation A
equation B
equation C
- 36. Multiple Choice
Which process used bubbles to separate components of mixture?
crushing
evaporation
froth floatation
panning
- 37. Multiple Choice
Froth Floatation is used to remove ___________ ores?
sulphide ores
zinc ores
iron ores
carbonate ores
- 38. Multiple Choice
what is valency of the given element?
1
2
3
4
- 39. Multiple Choice
Which of following has valency 2?
- 40. Multiple Choice
Why is oil used in the extraction of lead from lead sulphide?
Oil reacts with the Lead
Lead is too dense to float to the top of the oil
Lead is too dense so will sink in water
Oil breaks bonds in the Lead Sulphide making it easier to extract
- 41. Multiple ChoiceThe ______________ yield is the maximum amount of product possible in a reaction. This determines the amount of product that should be produced in a perfect settingPercentactualstoichiometrytheoretical
- 42. Multiple ChoiceWhich of the following do you get through measuring its mass? (No calculations)percent yieldtheoretical yieldactual yieldlimiting reagent
- 43. Multiple Choice
Complete the word equation below...
Lead Sulphide + Oxygen -> ___________ + Sulphur dioxide
Lead dioxide
Lead
Lead carbonate
Lead oxide
- 44. Multiple Choice
What do both lead oxide and zinc oxide need to be roasted with to extract their metals?
Nitrogen
Oxygen
Carbon
Electricity
- 45. Multiple ChoiceReclamation is.....not required in the US.a process that causes significant environmental damage.returning the land back to its original condition after miningrequired for every country and every type of mine in the world.
- 46. Multiple Choice
What is the name for toxic chemicals dissolving out of an ore/rock over time?
Subsidence
Leaching
Reclamation
Mining
- 47. Multiple Choice
a gradual caving of sinking of an area of land
subsidence
leaching
ocean acidification
mining
- 48. Multiple Choice
Which of the following is NOT environmental impacts of mining?
Destroys natural communities over large areas.
Acid drainage pollutes groundwater.
Creates minimal dust.
Causes erosion
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