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Metallurgy formulas

Master Metallurgy through 14 JEE Advanced-level formulas, systematically structured with every variable spelled out. Revise concept-wise, identify the areas where you need improvement, and focus your preparation with greater precision.

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Metallurgy, every formula

14 formulas, typeset and free. Print it, or keep it open beside your practice.

Mineral vs ore
$ore = mineral from which metal is extracted economically$
Q1MCQOre
An ore is a mineral from which a metal can be extracted:
- A
  economically
- B
  never
- C
  only in labs
- D
  without energy
Concentration of ore
$gravity, froth flotation, magnetic, leaching$
Q1MCQConcentration
Which is a method of ore concentration?
- A
  froth flotation
- B
  roasting
- C
  reduction
- D
  refining
Froth flotation
$for sulphide ores$
Q1MCQFroth flotation
Froth flotation is used mainly for:
- A
  sulphide ores
- B
  oxide ores
- C
  carbonate ores
- D
  native metals
Calcination
$heating in absence of air (carbonate \to oxide)$
Q1MCQCalcination
Calcination is heating an ore:
- A
  in the absence of air
- B
  in excess air
- C
  in water
- D
  with a catalyst
Roasting
$heating in air (sulphide \to oxide)$
Q1MCQRoasting
Roasting is heating a sulphide ore:
- A
  in the presence of air
- B
  in the absence of air
- C
  in water
- D
  in vacuum
Reduction of oxide
$carbon / CO / thermite / electrolysis$
Q1MCQReduction
Metal oxides can be reduced using:
- A
  carbon or CO
- B
  water
- C
  an acid
- D
  a base
Thermite reaction
$F e_{2} O_{3} + 2 A l \to 2 F e + A l_{2} O_{3}$
Q1MCQThermite
The thermite reaction reduces $Fe_2O_3$ using:
- A
  aluminium
- B
  carbon
- C
  hydrogen
- D
  sodium
Ellingham diagram
$Δ G vs T for oxide formation$
Q1MCQEllingham
An Ellingham diagram plots:
- A
  $\Delta G$ versus temperature
- B
  $\Delta H$ versus pressure
- C
  rate versus time
- D
  $K$ versus $T$
Electrolytic reduction
$for highly reactive metals (Na, Al)$
Q1MCQElectrolytic reduction
Highly reactive metals like Na and Al are obtained by:
- A
  electrolytic reduction
- B
  carbon reduction
- C
  roasting
- D
  froth flotation
Refining (electrolytic)
$impure metal = anode, pure = cathode$
Q1MCQElectro-refining
In electrolytic refining, the impure metal is the:
- A
  anode
- B
  cathode
- C
  electrolyte
- D
  flux
Zone refining
$for ultra-pure semiconductors$
Q1MCQZone refining
Zone refining is used to purify:
- A
  semiconductors like silicon
- B
  iron
- C
  sodium
- D
  copper ore
Flux + gangue
$flux + gangue \to slag$
Q1MCQSlag
Flux combines with gangue to form:
- A
  slag
- B
  matte
- C
  metal
- D
  ore
Extraction of aluminium
$Hall-H \overset{e}{ˊ} roult electrolysis$
Q1MCQAluminium
Aluminium is extracted by the:
- A
  Hall–Héroult process
- B
  blast furnace
- C
  thermite process
- D
  froth flotation
Blast furnace (iron)
$reduction of F e_{2} O_{3} by CO$
Q1MCQBlast furnace
In a blast furnace, iron oxide is reduced by:
- A
  carbon monoxide
- B
  aluminium
- C
  hydrogen
- D
  electrolysis

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Metallurgy formulas

Metallurgy, every formula

Mineral vs ore

Concentration of ore

Froth flotation

Calcination

Roasting

Reduction of oxide

Thermite reaction

Ellingham diagram

Electrolytic reduction

Refining (electrolytic)

Zone refining

Flux + gangue

Extraction of aluminium

Blast furnace (iron)

More JEE Advanced Chemistry formula sheets

Other ways to revise this chapter

Preparing students for India’s top institutes

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