Metallurgy MCQ Practice Bits. We covered all the Metallurgy MCQ Practice Bits in this post for your convenience. You can now prepare for the metallurgy MCQ from anywhere using our website for free.
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01 The ore of mercury among the following is
- bauxite
- haematite
- galena
- cinnabar
Option 4 – cinnabar
02 The furnace in which smelting is carried out is
- reverberatory furnace
- blast furnace
- open hearth furnace
- retort furnace
Option 2 – blast furnace
03 If the gangue is acidic, the flux used is
- SiO2
- So2
- CaO
- Co2
Option 3 – CaO
04 The substance added to remove the impurity is
- flux
- fuel
- gangue
- slag
Option 1 – flux
05 The gas released in calcination is
- No2
- So2
- Co2
- O2
Option 3 – Co2
06 The ore of iron is
- carnallite
- dolomite
- bauxite
- haematite
Option 4 – haematite
07 The method of chemical pyrolysis used to convert sulphide ore into oxide ore is
- smelting
- calcination
- roasting
- burning
Option 3 – roasting
08 The impurity present in the ore is called as
- gangue
- flux
- slag
- mineral
Option 1 – gangue
09 Which of the following is a carbonate ore?
- magnesite
- bauxite
- gypsum
- galena
Option 1 – magnesite
10 Which of the following is the correct formula of gypsum
- CuSo4.2H2o
- CaSo4.1/2H2o
- CuSo4.5H2o
- CaSo4.2H2o
Option 4 – CaSo4.2H2o
11 The oil used in the froth floatation process is
- kerosene oil
- pine oil
- coconut oil
- olive oil
Option 2 – pine oil
12 Forth floatation is a method used for the purification of ……. ore
- sulphide
- oxide
- carbonate
- nitrate
Option 1 – sulphide
13 Galena is an ore of ……
- Zn
- Pb
- Hg
- Al
Option 2 – Pb
14 The metal that occurs in the native form is …….
- Pb
- Au
- Fe
- Hg
Option 2 – Au
15 The most abundant metal in the earth’s crust is …….
- silver
- aluminium
- zinc
- iron
Option 2 – aluminium
16 The reducing agent in thermite process is ……
- Al
- Mg
- Fe
- Si
Option 1 – Al
17 The purpose of smelting an ore is to ………. it
- oxidise
- reduce
- neutralise
- none of these
Option 2 – reduce
18 The formula of carnallite is
- MgCo3
- MgSo4.7H2o
- Kcl Mgcl2.6H2o
- Caco3.MgCo3
Option 3 – Kcl Mgcl2.6H2o
19 This group of elements are called chalcogens
- 14th group
- 16th group
- 15th group
- 17th group
Option 2 – 16th group
20 The gas which is liberated during electrolysis of sodium chloride, is
- chlorine
- oxygen
- nitrogen
- hydrogen
Option 1 – chlorine
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