Metallurgy MCQ Practice Bits

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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

  1. bauxite
  2. haematite
  3. galena
  4. cinnabar

Option 4 – cinnabar

02 The furnace in which smelting is carried out is

  1. reverberatory furnace
  2. blast furnace
  3. open hearth furnace
  4. retort furnace

Option 2 – blast furnace

03 If the gangue is acidic, the flux used is

  1. SiO2
  2. So2
  3. CaO
  4. Co2

Option 3 – CaO

04 The substance added to remove the impurity is

  1. flux
  2. fuel
  3. gangue
  4. slag

Option 1 – flux

05 The gas released in calcination is

  1. No2
  2. So2
  3. Co2
  4. O2

Option 3 – Co2

06 The ore of iron is

  1. carnallite
  2. dolomite
  3. bauxite
  4. haematite

Option 4 – haematite

07 The method of chemical pyrolysis used to convert sulphide ore into oxide ore is

  1. smelting
  2. calcination
  3. roasting
  4. burning

Option 3 – roasting

08 The impurity present in the ore is called as

  1. gangue
  2. flux
  3. slag
  4. mineral

Option 1 – gangue

09 Which of the following is a carbonate ore?

  1. magnesite
  2. bauxite
  3. gypsum
  4. galena

Option 1 – magnesite

10 Which of the following is the correct formula of gypsum

  1. CuSo4.2H2o
  2. CaSo4.1/2H2o
  3. CuSo4.5H2o
  4. CaSo4.2H2o

Option 4 – CaSo4.2H2o

11 The oil used in the froth floatation process is

  1. kerosene oil
  2. pine oil
  3. coconut oil
  4. olive oil

Option 2 – pine oil

12 Forth floatation is a method used for the purification of ……. ore

  1. sulphide
  2. oxide
  3. carbonate
  4. nitrate

Option 1 – sulphide

13 Galena is an ore of ……

  1. Zn
  2. Pb
  3. Hg
  4. Al

Option 2 – Pb

14 The metal that occurs in the native form is …….

  1. Pb
  2. Au
  3. Fe
  4. Hg

Option 2 – Au

15 The most abundant metal in the earth’s crust is …….

  1. silver
  2. aluminium
  3. zinc
  4. iron

Option 2 – aluminium

16 The reducing agent in thermite process is ……

  1. Al
  2. Mg
  3. Fe
  4. Si

Option 1 – Al

17 The purpose of smelting an ore is to ………. it

  1. oxidise
  2. reduce
  3. neutralise
  4. none of these

Option 2 – reduce

18 The formula of carnallite is

  1. MgCo3
  2. MgSo4.7H2o
  3. Kcl Mgcl2.6H2o
  4. Caco3.MgCo3

Option 3 – Kcl Mgcl2.6H2o

19 This group of elements are called chalcogens

  1. 14th group
  2. 16th group
  3. 15th group
  4. 17th group

Option 2 – 16th group

20 The gas which is liberated during electrolysis of sodium chloride, is

  1. chlorine
  2. oxygen
  3. nitrogen
  4. hydrogen

Option 1 – chlorine

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