wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Metallurgy

Total questions: 73

Worksheet time: 24mins

Name
Class
Date
1.

solder alloy Consist of

a)

Lead and tin

b)

Tin and white metal

c)

Zinc and tin

d)

Tin and antimony

2.

Flux used in a blast furnace while melting iron ore is

a)

Carbon

b)

Oxygen

c)

Limestone

d)

Coke

3.

Brass is an alloy of

a)

Copper and tin

b)

Copper and zinc

c)

Copper and lead

d)

Copper and nickel

4.

Bronze is an alloy of

a)

Copper lead and tin

b)

Copper and tin

c)

Copper and zinc

d)

Zinc nickel and tin

5.

The method used for separating ore and gangue by preferential waiting with oil and water is

a)

Froth flotation

b)

Gravity separation

c)

Magnetic separation

d)

Chemical method

6.

The method used for separating ore and gangue by preferential waiting with oil and water is

a)

Froth flotation

b)

Gravity separation

c)

Magnetic separation

d)

Chemical method

7.

Froth flotation method is applied for

a)

Oxide Boss

b)

Sulphide ores

c)

Aluminium ores

d)

Zinc ores

8.

High purity copper metal can be obtained by

a)

Carbon reduction

b)

Hydrogen production

c)

Thermite reduction

d)

Electrolytic reduction

9.

Haematite ore is concentrated by

a)

Gravity separation

b)

Froth flotation

c)

Amalgamation

d)

All of these

10.

In purification of copper [electrolytic refining] anode is

a)

Pure copper

b)

Impure copper

c)

Pure carbon

d)

None of these

11.

Slag is product formed when

a)

Flux reacts with ore

b)

Flux reacts with mineral

c)

Gangue reacts with ore

d)

Gangue reacts with flux

12.

Wood's metal and soulders are prepared by

a)

Fusion method

b)

Compression method

c)

Smelting

d)

Oxidation

13.

...... Steel is used in railway engineering

a)

Low carbon Steel

b)

Medium carbon Steel

c)

High carbon Steel

d)

All of these

14.

The ability of a metal to cut by cutting tool is

a)

Machinability

b)

Weldability

c)

Tensile strength

d)

Toughness

15.

Weakening of metal due to repeatedly applied load is

a)

Stiffness

b)

Specific heat

c)

Density

d)

Fatigue

16.

The hardness is the property of a material due to which it...

a)

Can be rolled or hammered into thin sheets

b)

Can be drawn into wires

c)

Breaks with little permanent distortion

d)

Can cut another metal

17.

The product from a blast furnace in metallurgy of iron is known as

a)

Cast iron

b)

Wrought iron

c)

Pig iron

d)

Steel

18.

Silica is added to roasted copper ore during extraction in order to remove

a)

Cuprous sulphide

b)

Ferrous sulphide

c)

Ferrous oxide

d)

Cuprous oxide

19.

Copper is extracted from

a)

Melachite

b)

Hematite

c)

Dolomite

d)

Copper pyrite

20.

Rocky impurities associated with metal is called as

a)

Flux

b)

Slag

c)

Matrix

d)

Alloy

21.

ORE used in the extraction of aluminum

a)

Zinc blende

b)

Hematite

c)

Bauxite

22.

A compound added to lower the fusion temperature of the electrolytic bath in the extraction of aluminum (name).

a)

Cryolite

b)

NaOH soln.

c)

Bauxite

d)

Hematite

23.

Which solution is used to react with bauxite as a first step in obtaining pure aluminum oxide

a)

Conc. H2SO4 soln.

b)

Dil. NaOH soln.

c)

Conc. HCl

d)

Conc. NaOH soln.

24.

Process in which about 99.9% pure aluminum is obtained

a)

Hoope's process

b)

Electrolysis

c)

Metallurgy

25.

solder alloy Consist of

a)

Lead and tin

b)

Tin and white metal

c)

Zinc and tin

d)

Tin and antimony

26.

Bronze is an alloy of

a)

Copper lead and tin

b)

Copper and tin

c)

Copper and zinc

d)

Zinc nickel and tin

27.

Which of the following metal is available in free state ?

a)

Fe

b)

Au

c)

Sn

d)

Pb

28.

What is meant by ore ?

a)

to obtained metals from mineral.

b)

to obtained non-metals from minerals.

c)

to obtained more metals from minerals.

d)

to obtained compound from minerals.

29.

Which of the following is ore of aluminium ?

a)

Kaolinite

b)

Malachite

c)

Siderite

d)

Bauxite

30.

Which of the following is not ore ?

a)

Bauxite

b)

Malachite

c)

Zinc blende

d)

Pig ron

31.

Selection of steps of concentration depends upon

a)

physical properties of ores

b)

chemical properties of ore

c)

properties of gangue

d)

Both (A) and (C)

32.

Which of the following have principle of relative density of ore and gangue ?

a)

Hydraulic washing

b)

Magnetic separation

c)

Froth floatation

d)

Leaching

33.

Which of the following act as depressing agent?

a)

NaOH

b)

KCN

c)

NaCl

d)

NaCN

34.

Which method is used in concentration of bauxite ore ?

a)

Hydraulic washing

b)

Magnetic separation

c)

Leaching

d)

Froth floatationption

35.

Which of the following are collectors used in the froth floatation process?

a)

Fatty acids

b)

Sodium Ethyl Xanthates

c)

Turpentine

d)

Pine oil

36.

In Acid leaching, ---------is formed

a)

elemental sulphur

b)

lead sulphide

c)

lead sulphate

d)

a and c

37.

Which of the following cannot be concentrated by electromagnetic separation?

a)

Chromite

b)

Magnetite

c)

Pyrolusite

d)

Zinc blende

38.

Where are the magnetic particles collected in concentration by electromagnetic separation?

a)

Below the magnetic roller

b)

Above the magnetic roller

c)

Away from the magnetic roller

d)

On the conveyer belt

39.

Sulphide ores are generally concentrated by

a)

Froth floatation process

b)

By hand picking

c)

Gravity Separation

d)

Magnetic Separation

40.

Cyanide process is used in the extraction of

a)

Au

b)

Ag

c)

both (A) and (B)

d)

Cu

41.

4M + 8CN– +2 H2O + O2 → 4[M(CN)2]– + 4OH–, the metal M is

a)

copper

b)

iron

c)

gold

d)

Zinc

42.

What is metallurgy?

a)

study of the physical and chemical behavior of metallic elements and alloys

b)

study of chemical reaction of metals

c)

study of economics of metals

d)

all of the above

43.

In Chemistry, metals are ___________

a)

elements that form positive ions

b)

elements that are hard and tough

c)

elements that are reactive

d)

all of the above

44.

Which metal has the highest melting point?

a)

TUngsten

b)

Iron

c)

Mercury

d)

Copper

45.

Which concentration / separation process is suitable for iron ores?

a)

magnetic separation

b)

calcination

c)

roasting

d)

hydraulic washing

46.

Roasting is used when an ore is subjected to high temperature

a)

without air

b)

with air

c)

with carbon dioxide

d)

all of the above

47.

Calcination is used when an ore is subjected to high temperature

a)

without air

b)

with air

c)

with carbon dioxide

d)

all of the above

48.

Resistance to lengthwise stress

a)

tensile strength

b)

hardness

c)

toughness

d)

ductility

49.

Ability of metal to resist localized plastic deformation or denting and abrasion

a)

hardness

b)

ductility

c)

malleability

d)

tensile strength

50.

property of a metal that enables it to be stretched out into a thin wire

a)

Ductility

b)

Mealleability

c)

hardness

d)

elasticity

51.

property of material to deform permanently into sheets under compression without breaking.

a)

malleability

b)

ductility

c)

hardness

d)

elasticity

52.

1) Electrochemical process is used to extract

a)

Fe

b)

Na

c)

Ag

d)

Au

53.

Considering Ellingham diagram, which of the following metals can be used to reduce Alumina?

a)

Fe

b)

Cu

c)

Mg

d)

Zn

54.

3. Extraction of Gold and Silver involves leaching with cyanide ion.Silver is later recovered by

a)

Distillation

b)

Zone refining

c)

Displacement with zinc

d)

Liquation

55.

Process which involves reduction of metallic oxide to it's metal

a)

Hall heroult's process

b)

Hoope's process

c)

Baeyer's process

d)

Electrolysis

56.

A compound added to lower the fusion temperature of the electrolytic bath in the extraction of aluminum (name).

a)

Cryolite

b)

NaOH soln.

c)

Bauxite

d)

Hematite

57.

Haematite is the chief ore of aluminum

a)

True

b)

False

58.

Electrolyte used in Hall Heroult's process

a)

CuSO4 soln.

b)

Mixture of fused alumina, cryolite and fluorspar

c)

Molten lead bromide

d)

Acidified water

59.

Which is an nonmetal?

a)

Au

b)

Hg

c)

Br

d)

Cu

60.

Jewellery articles are gold plated to _____

a)

to prevent corrosion

b)

to prevent rusting of the base metal

c)

to make articles attractive

d)

all of these

61.

Ores contain metal compounds with some of the impurities like soil,sand,rocky material etc. These impurities are called as------------------

a)

Minerals

b)

Gangue

c)

Metallurgy

d)

corrosion

62.

Mercury,silver,gold are very reactive metals

a)

True

b)

False

63.

Two highly reactive metals are

a)

Na and K

b)

Cu and Fe

c)

Ag and Au

d)

Al and Zn

64.

Which method is used in concentration of bauxite ore ?

a)

Hydraulic washing

b)

Magnetic separation

c)

Leaching

d)

Froth floatationption

65.

Which of the following are collectors used in the froth floatation process?

a)

Fatty acids

b)

Sodium Ethyl Xanthates

c)

Turpentine

d)

Pine oil

66.

Which of the following cannot be concentrated by electromagnetic separation?

a)

Chromite

b)

Magnetite

c)

Pyrolusite

d)

Zinc blende

67.

Sulphide ores are generally concentrated by

a)

Froth floatation process

b)

By hand picking

c)

Gravity Separation

d)

Magnetic Separation

68.

4M + 8CN– +2 H2O + O2 → 4[M(CN)2]– + 4OH–, the metal M is

a)

copper

b)

iron

c)

gold

d)

Zinc

69.

1.The chief ore of aluminium are

a)

bauxite

b)

cuprite

c)

haematite

d)

cryolite

70.

5.Aluminium is a powerful ..............agent

a)

reducing

b)

oxidising

c)

galvanising

d)

anodising

71.

The formula of Bauxite is

a)

Al2O3. 2H2O

b)

ZnS

c)

Al2O3

d)

NaCl

72.

Name:

4 lines
73.

Considering Ellingham diagram, which of the following metals can be used to reduce Alumina?

a)

Fe

b)

Cu

c)

Mg

d)

Zn

Similar Resources on Wayground

CHE 104 Quiz

69 questions

CHE 104 Quiz

quiz

Worksheet

•

University

U6 Chemical Reactions

74 questions

U6 Chemical Reactions

quiz

Worksheet

•

KG - University

physics forces and substances

71 questions

physics forces and substances

quiz

Worksheet

•

8th Grade - University

Unit 3 Review Questions

71 questions

Unit 3 Review Questions

quiz

Worksheet

•

11th Grade - University

APC Midterm Lab

73 questions

APC Midterm Lab

quiz

Worksheet

•

University

Biochemistry BSN 1st Sem Conducted by (NRA)

70 questions

Biochemistry BSN 1st Sem Conducted by (NRA)

quiz

Worksheet

•

University

AP Chemistry Thou Shall Not Forget Unit 4

75 questions

AP Chemistry Thou Shall Not Forget Unit 4

quiz

Worksheet

•

10th Grade - University

Unit 8 - Thou Shalt Not Forget AP Chemistry

75 questions

Unit 8 - Thou Shalt Not Forget AP Chemistry

quiz

Worksheet

•

10th Grade - University